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Triumph-HP VALVE REGULATED LEAD ACID BATTERIES TECHNICAL MANUAL CONTENTS 1. Module Specifications - 2 2. Discharge characteristics in Amps - 3-7 3. Discharge characteristics in Watts - 8-12 4. Selection of the battery - 13-17 5. K-factor - 18 6. Temperature Correction Factor & Discharge curves - 19 7. Charging & Capacity retention characteristics - 20 Page 1 of 34

vrla technical manual

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Page 1: vrla technical manual

Triumph-HP

VALVE REGULATED LEAD ACID BATTERIES

TECHNICAL MANUAL

CONTENTS

1. Module Specifications - 2

2. Discharge characteristics in Amps - 3-7

3. Discharge characteristics in Watts - 8-12

4. Selection of the battery - 13-17

5. K-factor - 18

6. Temperature Correction Factor & Discharge curves - 19

7. Charging & Capacity retention characteristics - 20

Page 1 of 32

Page 2: vrla technical manual

PRODUCT SPECIFICATIONS

Cell Nominal Module Dimensions Weight Internal Res Short Circuit

Type Capacity Voltage Length Depth Height (Kg+/-5%) of each cell current

  (Amp-hr) (Volts) (±10mm) (±10mm) (±10mm)   (±5%) m.ohms (±5%) KA

T-80 HP 80Ah 16 778 330 245 63 1.789 1.16

T-100 HP 100Ah 16 778 330 245 71 1.431 1.45

T-120 HP 120Ah 16 778 425 184 91 1.193 1.74

T-160 HP 160Ah 16 778 425 220 120 1.125 1.87

T-200 HP 200Ah 16 778 425 266 137 0.900 2.34

T-240 HP 240Ah 16 778 425 266 157 0.750 2.81

T-280 HP 280Ah 16 778 425 306 160 0.597 3.71

T-320 HP 320Ah 8 778 425 210 110 0.444 4.61

T-360 HP 360Ah 8 778 425 210 124 0.395 5.18

T-400 HP 400Ah 8 778 425 250 135 0.355 5.76

T-440 HP 440Ah 8 778 425 250 149 0.323 6.33

T-500 HP 500Ah 8 778 425 282 169 0.284 7.20

T-520 HP 520Ah 8 778 425 282 169 0.273 7.49

T-560 HP 560Ah 8 778 425 300 186 0.254 8.06

T-600 HP 600Ah 8 778 425 300 194 0.244 8.75

T-680 HP 680Ah 4 778 425 210 124 0.197 10.37

T-760 HP 760Ah 4 778 425 250 135 0.178 11.52

T-850 HP 850Ah 4 778 425 250 149 0.165 12.60

T-920 HP 920Ah 4 452 700 305 168 0.154 13.44

T-1000 HP 1000Ah 4 452 700 305 176 0.142 14.40

T-1100 HP 1100Ah 4 452 700 340 191 0.127 16.68

T-1200 HP 1200Ah 4 452 700 340 210 0.112 18.96

T-1360 HP 1360Ah 4 452 700 420 220 0.099 21.06

T-1440 HP 1440Ah 4 452 700 420 230 0.092 22.11

T-1500 HP 1500Ah 4 452 700 420 240 0.091 22.46

T-1600 HP 1600Ah 2 600 700 300 140 0.084 24.19

T-1700 HP 1700Ah 2 600 700 300 146 0.081 26.25

T-1850 HP 1850Ah 2 452 700 305 168 0.075 28.10

T-2000 HP 2000Ah 2 452 700 305 176 0.068 29.94

T-2200 HP 2200Ah 2 452 700 340 191 0.063 33.31

T-2350 HP 2350Ah 2 452 700 340 210 0.060 35.61

T-2650 HP 2650Ah 2 452 700 420 220 0.052 40.24

T-2800 HP 2800Ah 2 452 700 420 230 0.048 43.05

T-2950 HP 2950Ah 2 452 700 420 240 0.046 45.37

T-3000 HP 3000Ah 2 600 700 290 252 0.045 45.81

T-3225 HP 3225Ah 2 600 700 325 270 0.042 50.43

T-3500 HP 3500Ah 2 600 700 325 285 0.038 56.08

T-3900 HP 3900Ah 2 778 700 290 330 0.032 64.29

T-4200 HP 4200Ah 2 600 700 405 334 0.030 67.03

T-4300 HP 4300Ah 2 778 700 325 353 0.030 67.37

T-4500 HP 4500Ah 2 778 700 325 380 0.029 71.81

Page 2 of 32

Page 3: vrla technical manual

T-5000 HP 5000Ah 2 778 700 405 416 0.025 82.92

T-5500 HP 5500Ah 2 778 700 405 432 0.024 87.24

T-5800 HP 5800Ah 2 778 700 405 452 0.023 89.83

* Nominal capacity is at the 10hr. Rate of discharge to an End Cell Voltage of 1.75 VPC at 27°C

* Dimensions given are as per Horizontal stacking alignment.

VALVE REGULATED LEAD ACID BATTERIES

DISCHARGE CHARACTERISTICS IN AMPERES

TO 1.67 ECV* TO 1.7 ECV*

MODULE TYPEMODULE CAPACITY

DISCHARGE IN MINUTES

DISCHARGE IN MINUTES

5 10 15 30 60 5 10 15 30 60

T80HP 80   125.3 101.6 85.5 61.1 49.4   121.0 97.4 81.5 60.1 48.3

T100HP 100   156.7 127.0 106.8 76.3 61.8   151.2 121.8 101.9 75.1 60.4

T120HP 120   188.0 152.4 128.2 91.6 74.1   181.5 146.1 122.3 90.1 72.5

T160HP 160   251 203 171 122 99   242 195 163 120 97

T200HP 200   313 254 214 153 124   302 244 204 150 121

T240HP 240   376 305 256 183 148   363 292 245 180 145

T280HP 280   439 356 299 214 173   423 341 285 210 169

T320HP 320   501 406 342 244 198   484 390 326 240 193

T360HP 360   564 457 385 275 222   544 438 367 270 217

T400HP 400   627 508 427 305 247   605 487 408 300 242

T440HP 440   689 559 470 336 272   665 536 448 330 266

T500HP 500   783 635 534 382 309   756 609 510 375 302

T520HP 520   815 660 556 397 321   786 633 530 390 314

T560HP 560   877 711 598 427 346   847 682 571 420 338

T600HP 600   940 762 641 458 371   907 731 612 451 362

T680HP 680   1065 864 727 519 420   1028 828 693 511 411

T760HP 760   1191 965 812 580 469   1149 925 775 571 459

T850HP 850   1332 1080 908 649 525   1285 1035 866 638 513

T920HP 920   1441 1169 983 702 568   1391 1120 938 691 556

T1000HP 1000   1567 1270 1068 763 618   1512 1218 1019 751 604

T1100HP 1100   1723 1397 1175 839 679   1664 1339 1121 826 664

T1200HP 1200   1880 1524 1282 916 741   1815 1461 1223 901 725

T1360HP 1360   2131 1727 1453 1038 840   2057 1656 1386 1021 821

T1440HP 1440   2256 1829 1539 1099 889   2178 1753 1468 1081 870

T1500HP 1500   2350 1905 1603 1145 926   2268 1826 1529 1126 906

T1600HP 1600   2507 2032 1709 1221 988   2420 1948 1631 1201 966

T1700HP 1700   2663 2159 1816 1297 1050   2571 2070 1733 1276 1027

T1850HP 1850   2898 2350 1977 1412 1143   2798 2252 1886 1389 1117

T2000HP 2000   3133 2540 2137 1526 1235   3025 2435 2039 1502 1208

T2200HP 2200   3447 2794 2351 1679 1359   3327 2679 2242 1652 1329

T2350HP 2350   3682 2985 2511 1793 1451   3554 2861 2395 1765 1419

T2650HP 2650   4152 3366 2831 2022 1637   4008 3226 2701 1990 1600

Page 3 of 32

Page 4: vrla technical manual

T2800HP 2800   4387 3556 2992 2137 1729   4234 3409 2854 2102 1691

T2950HP 2950   4622 3747 3152 2251 1822   4461 3592 3007 2215 1782

T3000HP 3000   4700 3811 3205 2289 1853   4537 3653 3058 2253 1812

T3225HP 3225   5053 4096 3446 2461 1992   4877 3927 3287 2422 1948

T3500HP 3500   5483 4446 3739 2671 2162   5293 4261 3568 2628 2114

T3900HP 3900   6110 4954 4167 2976 2409   5898 4748 3975 2928 2355

T4200HP 4200   6580 5335 4487 3205 2594   6352 5114 4281 3154 2536

T4300HP 4300   6737 5462 4594 3282 2656   6503 5235 4383 3229 2597

T4500HP 4500   7050 5716 4808 3434 2779   6805 5479 4587 3379 2718

T5000HP 5000   7833 6351 5342 3816 3088   7561 6088 5096 3754 3020

T5500HP 5500   8617 6986 5876 4197 3397   8318 6696 5606 4130 3322

T5800HP 5800   9087 7367 6197 4426 3582   8771 7062 5912 4355 3503

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 4 of 32

Page 5: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN AMPERES TO 1.75 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 107.9 86.6 73.8 55.7 45.0 34.7 28.3 21.3 16.8 13.8 11.9 10.7 9.6 8.8 8.0

T100HP 100 134.9 108.2 92.3 69.6 56.3 43.4 35.4 26.6 21.0 17.2 14.9 13.3 12.0 11.0 10.0

T120HP 120 161.9 129.9 110.7 83.6 67.5 52.1 42.5 31.9 25.2 20.6 17.9 16.0 14.5 13.2 12.0

T160HP 160 216 173 148 111 90 69 57 43 34 28 24 21 19 18 16

T200HP 200 270 216 185 139 113 87 71 53 42 34 30 27 24 22 20

T240HP 240 324 260 221 167 135 104 85 64 50 41 36 32 29 26 24

T280HP 280 378 303 258 195 158 122 99 74 59 48 42 37 34 31 28

T320HP 320 432 346 295 223 180 139 113 85 67 55 48 43 39 35 32

T360HP 360 486 390 332 251 203 156 127 96 76 62 54 48 43 40 36

T400HP 400 540 433 369 279 225 174 142 106 84 69 60 53 48 44 40

T440HP 440 594 476 406 306 248 191 156 117 92 76 66 59 53 48 44

T500HP 500 675 541 461 348 281 217 177 133 105 86 75 67 60 55 50

T520HP 520 702 563 480 362 293 226 184 138 109 89 78 69 63 57 52

T560HP 560 756 606 517 390 315 243 198 149 118 96 84 75 67 62 56

T600HP 600 809 649 554 418 338 260 212 160 126 103 90 80 72 66 60

T680HP 680 917 736 628 474 383 295 241 181 143 117 101 91 82 75 68

T760HP 760 1025 823 701 529 428 330 269 202 160 131 113 101 92 84 76

T850HP 850 1147 920 784 592 478 369 301 226 179 146 127 113 102 93 85

T920HP 920 1241 996 849 641 518 399 326 245 193 158 137 123 111 101 92

T1000HP 1000 1349 1082 923 696 563 434 354 266 210 172 149 133 120 110 100

T1100HP 1100 1484 1191 1015 766 619 477 389 293 231 189 164 147 133 121 110

T1200HP 1200 1619 1299 1107 836 675 521 425 319 252 206 179 160 145 132 120

T1360HP 1360 1835 1472 1255 947 765 590 481 362 286 234 203 181 164 149 136

T1440HP 1440 1943 1559 1329 1003 810 625 510 383 302 248 215 192 173 158 144

T1500HP 1500 2024 1624 1384 1045 844 651 531 399 315 258 224 200 181 165 150

T1600HP 1600 2159 1732 1476 1114 900 694 566 426 336 275 239 213 193 176 160

T1700HP 1700 2294 1840 1569 1184 957 738 602 452 357 292 254 227 205 187 170

T1850HP 1850 2496 2003 1707 1289 1041 803 655 492 389 318 276 247 223 203 185

T2000HP 2000 2698 2165 1846 1393 1125 868 708 532 420 344 299 267 241 220 200

T2200HP 2200 2968 2381 2030 1532 1238 955 779 585 462 378 328 293 265 242 220

T2350HP 2350 3170 2544 2169 1637 1322 1020 832 625 494 404 351 313 283 258 235

T2650HP 2650 3575 2869 2445 1846 1491 1150 938 705 557 456 396 353 319 291 265

T2800HP 2800 3778 3031 2584 1950 1576 1215 991 745 588 482 418 373 337 308 280

T2950HP 2950 3980 3193 2722 2055 1660 1280 1044 785 620 507 440 393 355 324 295

T3000HP 3000 4047 3247 2768 2089 1688 1302 1062 798 630 516 448 400 361 330 300

T3225HP 3225 4351 3491 2976 2246 1815 1400 1142 858 677 555 481 430 389 354 323

T3500HP 3500 4722 3789 3230 2438 1970 1519 1239 931 735 602 522 467 422 385 350

T3900HP 3900 5262 4222 3599 2716 2195 1693 1381 1037 819 671 582 520 470 429 390

T4200HP 4200 5666 4546 3876 2925 2364 1823 1487 1117 882 722 627 560 506 462 420

T4300HP 4300 5801 4655 3968 2995 2420 1866 1522 1144 903 740 642 573 518 473 430

T4500HP 4500 6071 4871 4153 3134 2532 1953 1593 1197 945 774 672 600 542 495 450

Page 5 of 32

Page 6: vrla technical manual

T5000HP 5000 6746 5412 4614 3482 2814 2170 1770 1330 1050 860 746 667 602 549 500

T5500HP 5500 7420 5954 5075 3831 3095 2387 1947 1463 1155 946 821 733 663 604 550

T5800HP 5800 7825 6278 5352 4040 3264 2517 2053 1543 1218 998 866 773 699 637 580

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 6 of 32

Page 7: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN AMPERES TO 1.80 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 104.7 83.5 71.6 54.0 43.8 34.2 27.5 20.5 16.5 13.3 11.6 10.3 9.3 8.4 7.7

T100HP 100 130.9 104.4 89.5 67.5 54.7 42.8 34.4 25.6 20.6 16.7 14.5 12.9 11.6 10.5 9.7

T120HP 120 157.1 125.3 107.4 81.1 65.6 51.4 41.3 30.7 24.7 20.0 17.4 15.5 13.9 12.6 11.6

T160HP 160 209 167 143 108 88 68 55 41 33 27 23 21 19 17 15

T200HP 200 262 209 179 135 109 86 69 51 41 33 29 26 23 21 19

T240HP 240 314 251 215 162 131 103 83 61 49 40 35 31 28 25 23

T280HP 280 366 292 251 189 153 120 96 72 58 47 41 36 32 29 27

T320HP 320 419 334 286 216 175 137 110 82 66 53 46 41 37 34 31

T360HP 360 471 376 322 243 197 154 124 92 74 60 52 46 42 38 35

T400HP 400 524 418 358 270 219 171 138 102 82 67 58 52 46 42 39

T440HP 440 576 459 394 297 241 188 151 113 91 73 64 57 51 46 42

T500HP 500 654 522 447 338 274 214 172 128 103 83 72 65 58 53 48

T520HP 520 681 543 465 351 284 223 179 133 107 87 75 67 60 55 50

T560HP 560 733 585 501 378 306 240 193 143 115 93 81 72 65 59 54

T600HP 600 785 626 537 405 328 257 206 154 124 100 87 77 69 63 58

T680HP 680 890 710 608 459 372 291 234 174 140 113 99 88 79 72 66

T760HP 760 995 793 680 513 416 325 261 195 157 127 110 98 88 80 73

T850HP 850 1112 887 761 574 465 364 292 218 175 142 123 110 98 89 82

T920HP 920 1204 960 823 621 503 394 316 236 190 153 133 119 106 97 89

T1000HP 1000 1309 1044 895 675 547 428 344 256 206 167 145 129 116 105 97

T1100HP 1100 1440 1148 984 743 602 471 378 282 227 184 159 142 127 116 106

T1200HP 1200 1571 1253 1074 811 656 514 413 307 247 200 174 155 139 126 116

T1360HP 1360 1780 1420 1217 919 744 582 468 348 280 227 197 175 157 143 131

T1440HP 1440 1885 1503 1288 973 788 616 495 369 297 240 209 186 167 152 139

T1500HP 1500 1963 1566 1342 1013 821 642 516 384 309 250 217 194 174 158 145

T1600HP 1600 2094 1670 1432 1081 875 685 550 410 330 267 232 206 185 168 154

T1700HP 1700 2225 1775 1521 1148 930 728 585 435 350 284 246 219 197 179 164

T1850HP 1850 2421 1931 1655 1250 1012 792 636 474 381 309 268 239 214 195 179

T2000HP 2000 2618 2088 1789 1351 1094 856 688 512 412 334 290 258 231 211 193

T2200HP 2200 2879 2296 1968 1486 1204 942 757 563 453 367 319 284 255 232 212

T2350HP 2350 3076 2453 2103 1587 1286 1006 808 602 484 392 341 303 272 247 227

T2650HP 2650 3468 2766 2371 1790 1450 1134 912 678 546 442 384 342 307 279 256

T2800HP 2800 3665 2923 2505 1891 1532 1198 963 717 577 467 406 361 324 295 270

T2950HP 2950 3861 3079 2639 1993 1614 1263 1015 755 608 492 428 381 341 311 285

T3000HP 3000 3926 3132 2684 2026 1641 1284 1032 768 618 501 435 387 347 316 290

T3225HP 3225 4221 3366 2886 2178 1764 1380 1109 826 664 538 467 416 373 339 311

T3500HP 3500 4581 3654 3132 2364 1915 1498 1204 896 721 584 507 452 405 368 338

T3900HP 3900 5104 4071 3489 2634 2134 1669 1342 998 803 651 565 503 451 411 376

T4200HP 4200 5497 4384 3758 2837 2298 1798 1445 1075 865 701 609 542 486 442 405

T4300HP 4300 5628 4489 3847 2904 2352 1840 1479 1101 886 717 623 555 498 453 415

T4500HP 4500 5889 4697 4026 3039 2462 1926 1548 1152 927 751 652 581 521 474 434

Page 7 of 32

Page 8: vrla technical manual

T5000HP 5000 6544 5219 4474 3377 2735 2140 1720 1280 1030 834 725 645 579 526 483

T5500HP 5500 7198 5741 4921 3715 3009 2354 1892 1408 1133 918 797 710 637 579 531

T5800HP 5800 7591 6054 5189 3918 3173 2482 1995 1485 1195 968 841 748 671 611 560

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 8 of 32

Page 9: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN AMPERES TO 1.85 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 98.8 79.7 68.1 51.6 41.7 32.3 26.1 19.5 15.7 12.6 11.0 9.8 8.8 8.0 7.2

T100HP 100 123.5 99.6 85.1 64.6 52.2 40.4 32.6 24.4 19.6 15.8 13.7 12.2 11.0 10.0 9.1

T120HP 120 148.2 119.6 102.1 77.5 62.6 48.5 39.1 29.3 23.5 19.0 16.4 14.6 13.2 12.0 10.9

T160HP 160 198 159 136 103 83 65 52 39 31 25 22 20 18 16 14

T200HP 200 247 199 170 129 104 81 65 49 39 32 27 24 22 20 18

T240HP 240 296 239 204 155 125 97 78 59 47 38 33 29 26 24 22

T280HP 280 346 279 238 181 146 113 91 68 55 44 38 34 31 28 25

T320HP 320 395 319 272 207 167 129 104 78 63 51 44 39 35 32 29

T360HP 360 445 359 306 232 188 145 117 88 71 57 49 44 39 36 33

T400HP 400 494 399 340 258 209 162 130 98 78 63 55 49 44 40 36

T440HP 440 543 438 374 284 229 178 143 107 86 70 60 54 48 44 40

T500HP 500 618 498 425 323 261 202 163 122 98 79 68 61 55 50 45

T520HP 520 642 518 442 336 271 210 170 127 102 82 71 63 57 52 47

T560HP 560 692 558 476 362 292 226 183 137 110 88 77 68 61 56 51

T600HP 600 741 598 511 387 313 242 196 146 118 95 82 73 66 60 54

T680HP 680 840 678 579 439 355 275 222 166 133 107 93 83 75 68 62

T760HP 760 939 757 647 491 396 307 248 185 149 120 104 93 83 76 69

T850HP 850 1050 847 723 549 443 343 277 207 167 134 116 104 93 85 77

T920HP 920 1136 917 783 594 480 372 300 224 180 145 126 112 101 92 83

T1000HP 1000 1235 996 851 646 522 404 326 244 196 158 137 122 110 100 91

T1100HP 1100 1359 1096 936 710 574 444 359 268 216 174 151 134 121 110 100

T1200HP 1200 1482 1196 1021 775 626 485 391 293 235 190 164 146 132 120 109

T1360HP 1360 1680 1355 1157 878 709 549 443 332 267 215 186 166 149 135 123

T1440HP 1440 1779 1435 1225 930 751 582 469 351 282 228 197 176 158 143 130

T1500HP 1500 1853 1495 1276 968 782 606 489 366 294 237 205 183 164 149 136

T1600HP 1600 1976 1594 1361 1033 835 646 522 390 314 253 219 195 175 159 145

T1700HP 1700 2100 1694 1446 1098 887 687 554 415 333 269 233 207 186 169 154

T1850HP 1850 2285 1844 1574 1194 965 747 603 451 363 292 253 226 203 184 168

T2000HP 2000 2470 1993 1702 1291 1043 808 652 488 392 316 274 244 219 199 181

T2200HP 2200 2717 2192 1872 1420 1147 889 717 537 431 348 301 268 241 219 199

T2350HP 2350 2902 2342 2000 1517 1226 949 766 573 461 371 322 287 258 234 213

T2650HP 2650 3273 2641 2255 1711 1382 1071 864 647 519 419 363 323 291 264 240

T2800HP 2800 3458 2790 2382 1808 1460 1131 913 683 549 442 384 341 307 279 254

T2950HP 2950 3644 2940 2510 1905 1539 1192 962 720 578 466 404 360 323 294 267

T3000HP 3000 3705 2989 2553 1937 1565 1212 978 732 588 474 411 366 329 299 272

T3225HP 3225 3983 3214 2744 2082 1682 1303 1051 787 632 510 442 393 354 321 292

T3500HP 3500 4323 3488 2978 2260 1825 1414 1141 854 686 553 479 427 384 349 317

T3900HP 3900 4817 3886 3318 2518 2034 1576 1271 952 764 616 534 476 428 388 353

T4200HP 4200 5187 4185 3574 2712 2191 1697 1369 1025 823 664 575 512 461 418 380

T4300HP 4300 5311 4285 3659 2776 2243 1737 1402 1049 843 679 589 524 471 428 389

T4500HP 4500 5558 4484 3829 2905 2347 1818 1467 1098 882 711 616 549 493 448 408

Page 9 of 32

Page 10: vrla technical manual

T5000HP 5000 6175 4982 4254 3228 2608 2020 1630 1220 980 790 685 610 548 498 453

T5500HP 5500 6793 5481 4680 3551 2869 2222 1793 1342 1078 869 753 671 603 548 498

T5800HP 5800 7164 5780 4935 3745 3025 2343 1891 1415 1137 916 795 707 636 578 525

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 10 of 32

Page 11: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN AMPERES TO 1.90 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 92.4 73.8 63.2 47.7 38.7 29.9 24.2 18.1 14.6 11.7 10.2 9.0 8.1 7.3 6.7

T100HP 100 115.4 92.3 78.9 59.6 48.4 37.4 30.2 22.6 18.2 14.6 12.7 11.3 10.2 9.1 8.3

T120HP 120 138.5 110.7 94.7 71.6 58.1 44.9 36.2 27.1 21.8 17.5 15.3 13.6 12.2 11.0 10.0

T160HP 160 185 148 126 95 77 60 48 36 29 23 20 18 16 15 13

T200HP 200 231 185 158 119 97 75 60 45 36 29 25 23 20 18 17

T240HP 240 277 221 189 143 116 90 72 54 44 35 31 27 24 22 20

T280HP 280 323 258 221 167 136 105 85 63 51 41 36 32 28 26 23

T320HP 320 369 295 253 191 155 120 97 72 58 47 41 36 32 29 27

T360HP 360 416 332 284 215 174 135 109 81 66 53 46 41 37 33 30

T400HP 400 462 369 316 239 194 150 121 90 73 58 51 45 41 37 33

T440HP 440 508 406 347 262 213 165 133 99 80 64 56 50 45 40 37

T500HP 500 577 461 395 298 242 187 151 113 91 73 64 56 51 46 42

T520HP 520 600 480 411 310 252 194 157 118 95 76 66 59 53 47 43

T560HP 560 646 517 442 334 271 209 169 127 102 82 71 63 57 51 47

T600HP 600 693 554 474 358 291 224 181 136 109 88 76 68 61 55 50

T680HP 680 785 628 537 406 329 254 205 154 124 99 87 77 69 62 57

T760HP 760 877 701 600 453 368 284 230 172 138 111 97 86 77 69 63

T850HP 850 981 784 671 507 412 318 257 192 155 124 108 96 86 78 71

T920HP 920 1062 849 726 549 446 344 278 208 167 134 117 104 93 84 77

T1000HP 1000 1154 923 789 596 484 374 302 226 182 146 127 113 102 91 83

T1100HP 1100 1270 1015 868 656 533 411 332 249 200 161 140 124 112 100 92

T1200HP 1200 1385 1107 947 716 581 449 362 271 218 175 153 136 122 110 100

T1360HP 1360 1570 1255 1074 811 659 509 411 307 248 199 173 154 138 124 113

T1440HP 1440 1662 1329 1137 859 697 539 435 325 262 210 183 163 146 132 120

T1500HP 1500 1732 1384 1184 895 726 561 453 339 273 219 191 169 152 137 125

T1600HP 1600 1847 1476 1263 954 775 598 483 362 291 234 204 181 162 146 133

T1700HP 1700 1962 1569 1342 1014 823 636 513 384 309 248 217 192 173 155 142

T1850HP 1850 2136 1707 1461 1104 896 692 559 418 337 270 236 209 188 169 154

T2000HP 2000 2309 1846 1579 1193 969 748 604 452 364 292 255 226 203 183 167

T2200HP 2200 2540 2030 1737 1312 1065 823 664 497 400 321 280 249 223 201 183

T2350HP 2350 2713 2169 1855 1402 1138 879 710 531 428 343 299 266 239 215 196

T2650HP 2650 3059 2445 2092 1581 1283 991 800 599 482 387 338 299 269 242 221

T2800HP 2800 3232 2584 2211 1670 1356 1047 846 633 510 409 357 316 284 256 233

T2950HP 2950 3405 2722 2329 1760 1429 1103 891 667 537 431 376 333 299 269 246

T3000HP 3000 3463 2768 2368 1789 1453 1122 906 678 546 438 382 339 305 274 250

T3225HP 3225 3723 2976 2546 1924 1562 1206 974 729 587 471 411 364 327 295 269

T3500HP 3500 4040 3230 2763 2088 1695 1309 1057 791 637 511 446 395 355 320 292

T3900HP 3900 4502 3599 3079 2326 1889 1459 1178 881 710 569 497 441 396 356 325

T4200HP 4200 4848 3876 3316 2505 2034 1571 1268 949 764 613 535 475 426 384 350

T4300HP 4300 4964 3968 3395 2565 2083 1608 1299 972 783 628 548 486 437 393 358

T4500HP 4500 5195 4153 3553 2684 2179 1683 1359 1017 819 657 573 508 457 411 375

Page 11 of 32

Page 12: vrla technical manual

T5000HP 5000 5772 4614 3947 2982 2422 1870 1510 1130 910 730 637 565 508 457 417

T5500HP 5500 6349 5075 4342 3281 2664 2057 1661 1243 1001 803 701 621 558 502 458

T5800HP 5800 6695 5352 4579 3460 2809 2169 1752 1311 1056 847 739 655 589 530 483

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 12 of 32

Page 13: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN WATTS

TO 1.67 ECV* TO 1.7 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES

DISCHARGE IN MINUTES

5 10 15 30 60 5 10 15 30 60

T80HP 80   214 179 154 113 92   214 176 150 112 91

T100HP 100   268 224 193 141 116   268 220 187 140 114

T120HP 120   322 268 232 169 139   321 264 224 168 136

T160HP 160   429 358 309 225 185   428 352 299 223 182

T200HP 200   536 447 386 281 231   535 440 374 279 227

T240HP 240   643 537 463 338 277   643 528 449 335 272

T280HP 280   751 626 540 394 324   750 616 523 391 318

T320HP 320   858 715 617 450 370   857 704 598 447 363

T360HP 360   965 805 695 507 416   964 792 673 503 409

T400HP 400   1072 894 772 563 462   1071 880 748 559 454

T440HP 440   1179 984 849 619 509   1178 968 823 614 500

T500HP 500   1340 1118 965 704 578   1339 1100 935 698 568

T520HP 520   1394 1162 1003 732 601   1392 1144 972 726 590

T560HP 560   1501 1252 1081 788 647   1499 1232 1047 782 636

T600HP 600   1608 1341 1158 844 694   1606 1320 1122 838 681

T680HP 680   1823 1520 1312 957 786   1820 1496 1271 950 772

T760HP 760   2037 1699 1466 1070 878   2035 1672 1421 1061 863

T850HP 850   2278 1900 1640 1196 983   2276 1870 1589 1187 965

T920HP 920   2466 2057 1775 1295 1063   2463 2024 1720 1285 1045

T1000HP 1000   2680 2236 1930 1407 1156   2677 2200 1869 1396 1135

T1100HP 1100   2948 2459 2123 1548 1271   2945 2421 2056 1536 1249

T1200HP 1200   3217 2683 2315 1689 1387   3213 2641 2243 1676 1362

T1360HP 1360   3645 3040 2624 1914 1572   3641 2993 2542 1899 1544

T1440HP 1440   3860 3219 2779 2026 1664   3855 3169 2692 2011 1635

T1500HP 1500   4021 3353 2894 2111 1734   4016 3301 2804 2095 1703

T1600HP 1600   4289 3577 3087 2252 1849   4284 3521 2991 2234 1817

T1700HP 1700   4557 3800 3280 2392 1965   4551 3741 3178 2374 1930

T1850HP 1850   4959 4136 3570 2603 2138   4953 4071 3458 2583 2101

T2000HP 2000   5361 4471 3859 2815 2312   5354 4401 3739 2793 2271

T2200HP 2200   5897 4918 4245 3096 2543   5890 4841 4113 3072 2498

T2350HP 2350   6299 5253 4534 3307 2716   6291 5171 4393 3281 2668

T2650HP 2650   7103 5924 5113 3729 3063   7095 5831 4954 3700 3009

T2800HP 2800   7505 6259 5403 3940 3236   7496 6161 5234 3910 3179

T2950HP 2950   7907 6595 5692 4151 3410   7898 6491 5515 4119 3349

T3000HP 3000   8041 6707 5789 4222 3468   8032 6601 5608 4189 3406

T3225HP 3225   8644 7210 6223 4538 3728   8634 7097 6029 4503 3662

T3500HP 3500   9382 7824 6753 4925 4046   9370 7702 6543 4887 3974

T3900HP 3900   10454 8718 7525 5488 4508   10441 8582 7291 5446 4428

T4200HP 4200   11258 9389 8104 5911 4855   11244 9242 7851 5865 4769

T4300HP 4300   11526 9613 8297 6051 4970   11512 9462 8038 6004 4882

T4500HP 4500   12062 10060 8683 6333 5201   12047 9902 8412 6284 5109

Page 13 of 32

Page 14: vrla technical manual

T5000HP 5000   13402 11178 9648 7036 5779   13386 11002 9347 6982 5677

T5500HP 5500   14742 12295 10613 7740 6357   14725 12103 10282 7680 6245

T5800HP 5800   15547 12966 11191 8162 6704   15528 12763 10842 8099 6585

 

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 14 of 32

Page 15: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN WATTS TO 1.75 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 193 157 136 104 85 66 54 41 32 26 23 20 19 17 15

T100HP 100 242 197 170 130 106 83 68 51 40 33 29 26 23 21 19

T120HP 120 290 236 204 156 128 99 81 61 48 40 34 31 28 25 23

T160HP 160 387 315 272 209 170 132 108 81 64 53 46 41 37 34 31

T200HP 200 483 393 340 261 213 165 135 102 80 66 57 51 46 42 39

T240HP 240 580 472 409 313 256 198 162 122 96 79 69 61 56 51 46

T280HP 280 676 551 477 365 298 231 189 142 112 92 80 72 65 59 54

T320HP 320 773 629 545 417 341 264 216 163 129 105 92 82 74 68 62

T360HP 360 870 708 613 469 383 297 243 183 145 119 103 92 83 76 69

T400HP 400 966 787 681 521 426 330 270 203 161 132 115 102 93 85 77

T440HP 440 1063 865 749 573 469 363 297 224 177 145 126 113 102 93 85

T500HP 500 1208 983 851 652 532 413 338 254 201 165 143 128 116 106 97

T520HP 520 1256 1023 885 678 554 429 351 264 209 171 149 133 121 110 100

T560HP 560 1353 1101 953 730 596 462 378 285 225 185 160 143 130 119 108

T600HP 600 1449 1180 1021 782 639 495 405 305 241 198 172 154 139 127 116

T680HP 680 1643 1338 1158 886 724 561 459 345 273 224 195 174 158 144 131

T760HP 760 1836 1495 1294 990 809 627 513 386 305 250 218 195 176 161 147

T850HP 850 2053 1672 1447 1108 905 702 574 432 341 280 243 218 197 180 164

T920HP 920 2223 1810 1566 1199 980 759 621 467 370 303 263 236 213 195 178

T1000HP 1000 2416 1967 1702 1303 1065 825 675 508 402 330 286 256 232 212 193

T1100HP 1100 2657 2164 1873 1434 1171 908 743 559 442 363 315 282 255 233 212

T1200HP 1200 2899 2360 2043 1564 1278 991 810 610 482 395 344 307 278 254 232

T1360HP 1360 3285 2675 2315 1772 1448 1123 918 691 546 448 389 348 315 288 262

T1440HP 1440 3479 2832 2451 1877 1534 1189 972 732 579 475 412 369 334 305 278

T1500HP 1500 3624 2950 2554 1955 1597 1238 1013 762 603 494 429 384 348 318 290

T1600HP 1600 3865 3147 2724 2085 1704 1321 1080 813 643 527 458 410 371 339 309

T1700HP 1700 4107 3344 2894 2216 1810 1403 1148 864 683 560 487 435 394 360 328

T1850HP 1850 4469 3639 3149 2411 1970 1527 1249 940 743 610 530 474 429 392 357

T2000HP 2000 4832 3934 3405 2607 2130 1651 1350 1016 804 659 573 512 464 423 386

T2200HP 2200 5315 4327 3745 2867 2343 1816 1485 1118 884 725 630 563 510 466 425

T2350HP 2350 5677 4622 4001 3063 2503 1940 1587 1194 944 774 673 602 545 498 454

T2650HP 2650 6402 5212 4511 3454 2822 2187 1789 1346 1065 873 759 679 614 561 511

T2800HP 2800 6764 5507 4767 3649 2982 2311 1891 1423 1125 923 802 717 649 593 540

T2950HP 2950 7127 5802 5022 3845 3142 2435 1992 1499 1185 972 844 755 684 625 569

T3000HP 3000 7247 5901 5107 3910 3195 2476 2026 1524 1205 989 859 768 695 635 579

T3225HP 3225 7791 6343 5490 4203 3435 2662 2177 1638 1296 1063 923 826 748 683 622

T3500HP 3500 8455 6884 5958 4561 3727 2889 2363 1778 1406 1153 1002 896 811 741 676

T3900HP 3900 9422 7671 6639 5083 4153 3219 2633 1981 1567 1285 1116 999 904 826 753

T4200HP 4200 10146 8261 7150 5474 4473 3467 2836 2134 1687 1384 1202 1075 974 889 811

T4300HP 4300 10388 8458 7320 5604 4579 3550 2903 2185 1728 1417 1231 1101 997 910 830

T4500HP 4500 10871 8851 7661 5865 4792 3715 3038 2286 1808 1483 1288 1152 1043 953 869

Page 15 of 32

Page 16: vrla technical manual

T5000HP 5000 12079 9835 8512 6516 5325 4127 3376 2540 2009 1648 1431 1280 1159 1059 965

T5500HP 5500 13287 10818 9363 7168 5857 4540 3714 2794 2210 1813 1574 1408 1275 1165 1062

T5800HP 5800 14012 11408 9874 7559 6177 4788 3916 2947 2330 1911 1660 1485 1344 1228 1119

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 16 of 32

Page 17: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN WATTS TO 1.80 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 189 153 133 102 83 66 53 39 32 26 22 20 18 16 15

T100HP 100 236 191 166 127 104 82 66 49 40 32 28 25 22 20 19

T120HP 120 283 230 200 153 125 98 79 59 48 39 34 30 27 24 22

T160HP 160 378 306 266 204 167 131 106 79 63 51 45 40 36 33 30

T200HP 200 472 383 333 255 209 164 132 98 79 64 56 50 45 41 37

T240HP 240 567 459 399 306 250 197 159 118 95 77 67 60 54 49 45

T280HP 280 661 536 466 357 292 230 185 138 111 90 78 70 63 57 52

T320HP 320 756 612 532 408 334 262 211 158 127 103 89 80 72 65 60

T360HP 360 850 689 599 459 375 295 238 177 143 116 101 90 81 73 67

T400HP 400 945 765 666 510 417 328 264 197 159 129 112 100 90 82 75

T440HP 440 1039 842 732 561 459 361 291 217 175 142 123 110 98 90 82

T500HP 500 1181 957 832 637 521 410 330 246 198 161 140 125 112 102 94

T520HP 520 1228 995 865 662 542 426 344 256 206 167 145 130 116 106 97

T560HP 560 1323 1071 932 713 584 459 370 276 222 180 157 140 125 114 105

T600HP 600 1417 1148 998 764 626 492 396 295 238 193 168 150 134 122 112

T680HP 680 1606 1301 1131 866 709 558 449 335 270 219 190 170 152 139 127

T760HP 760 1795 1454 1265 968 792 623 502 374 301 244 213 189 170 155 142

T850HP 850 2008 1626 1414 1083 886 697 562 418 337 273 238 212 190 173 159

T920HP 920 2173 1760 1531 1172 959 754 608 453 365 296 257 229 206 188 172

T1000HP 1000 2362 1913 1664 1274 1043 820 661 492 397 322 280 249 224 204 187

T1100HP 1100 2598 2104 1830 1401 1147 902 727 542 436 354 308 274 246 224 206

T1200HP 1200 2835 2296 1997 1529 1251 984 793 591 476 386 336 299 269 245 225

T1360HP 1360 3213 2602 2263 1732 1418 1115 899 670 539 437 380 339 304 277 255

T1440HP 1440 3402 2755 2396 1834 1501 1181 952 709 571 463 403 359 322 294 270

T1500HP 1500 3543 2870 2496 1911 1564 1230 991 739 595 482 420 374 336 306 281

T1600HP 1600 3780 3061 2662 2038 1668 1312 1057 788 635 515 447 399 358 326 300

T1700HP 1700 4016 3252 2829 2166 1773 1394 1123 837 674 547 475 424 381 347 318

T1850HP 1850 4370 3539 3078 2357 1929 1517 1222 911 734 595 517 461 414 377 346

T2000HP 2000 4724 3826 3328 2548 2085 1640 1322 985 793 643 559 499 448 408 374

T2200HP 2200 5197 4209 3660 2803 2294 1804 1454 1083 873 708 615 548 492 449 412

T2350HP 2350 5551 4496 3910 2994 2450 1927 1553 1157 932 756 657 586 526 479 440

T2650HP 2650 6260 5070 4409 3376 2763 2173 1751 1305 1051 852 741 661 593 540 496

T2800HP 2800 6614 5357 4659 3567 2920 2296 1850 1379 1111 901 783 698 627 571 524

T2950HP 2950 6968 5644 4908 3758 3076 2419 1949 1452 1170 949 825 735 660 601 552

T3000HP 3000 7087 5739 4992 3822 3128 2460 1982 1477 1190 965 839 748 672 612 562

T3225HP 3225 7618 6170 5366 4108 3363 2645 2131 1588 1279 1037 902 804 722 658 604

T3500HP 3500 8268 6696 5823 4459 3649 2870 2313 1723 1388 1126 979 873 783 714 655

T3900HP 3900 9213 7461 6489 4968 4067 3198 2577 1920 1547 1254 1091 972 873 795 730

T4200HP 4200 9921 8035 6988 5350 4379 3444 2775 2068 1666 1351 1175 1047 940 856 786

T4300HP 4300 10157 8226 7155 5478 4484 3526 2841 2117 1706 1383 1203 1072 963 877 805

T4500HP 4500 10630 8609 7487 5732 4692 3690 2974 2216 1785 1447 1259 1122 1007 917 842

Page 17 of 32

Page 18: vrla technical manual

T5000HP 5000 11811 9565 8319 6369 5213 4100 3304 2462 1983 1608 1398 1246 1119 1019 936

T5500HP 5500 12992 10522 9151 7006 5735 4510 3634 2708 2182 1769 1538 1371 1231 1121 1030

T5800HP 5800 13701 11096 9650 7388 6048 4756 3833 2856 2301 1866 1622 1446 1298 1183 1086

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 18 of 32

Page 19: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN WATTS TO 1.85 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 180 147 127 98 80 62 50 38 30 24 21 19 17 16 14

T100HP 100 225 184 159 123 100 78 63 47 38 31 27 24 21 19 18

T120HP 120 270 221 191 147 120 93 75 57 45 37 32 28 26 23 21

T160HP 160 359 294 255 196 160 124 101 75 61 49 43 38 34 31 28

T200HP 200 449 368 319 245 200 156 126 94 76 61 53 47 43 39 35

T240HP 240 539 441 382 294 240 187 151 113 91 73 64 57 51 47 42

T280HP 280 629 515 446 343 280 218 176 132 106 86 74 66 60 54 49

T320HP 320 719 589 510 392 320 249 201 151 121 98 85 76 68 62 57

T360HP 360 809 662 574 441 360 280 226 170 136 110 96 85 77 70 64

T400HP 400 899 736 637 490 400 311 252 189 152 122 106 95 85 78 71

T440HP 440 989 809 701 539 440 342 277 207 167 135 117 104 94 85 78

T500HP 500 1123 920 797 613 500 389 314 236 190 153 133 118 107 97 88

T520HP 520 1168 957 829 637 520 404 327 245 197 159 138 123 111 101 92

T560HP 560 1258 1030 892 686 560 436 352 264 212 171 149 133 119 109 99

T600HP 600 1348 1104 956 735 600 467 377 283 227 184 159 142 128 116 106

T680HP 680 1528 1251 1084 833 680 529 428 321 258 208 181 161 145 132 120

T760HP 760 1708 1398 1211 931 760 591 478 358 288 233 202 180 162 147 134

T850HP 850 1910 1564 1355 1042 850 661 535 401 322 260 226 201 181 165 150

T920HP 920 2067 1692 1466 1127 920 715 579 434 349 282 244 218 196 178 163

T1000HP 1000 2247 1840 1594 1225 1000 778 629 471 379 306 266 237 213 194 177

T1100HP 1100 2471 2023 1753 1348 1100 855 692 519 417 337 292 261 235 213 194

T1200HP 1200 2696 2207 1912 1471 1200 933 755 566 455 367 319 284 256 233 212

T1360HP 1360 3056 2502 2167 1667 1360 1058 855 641 516 416 361 322 290 264 240

T1440HP 1440 3235 2649 2295 1765 1440 1120 906 679 546 441 383 341 307 279 254

T1500HP 1500 3370 2759 2391 1838 1500 1167 943 707 569 459 399 355 320 291 265

T1600HP 1600 3595 2943 2550 1961 1600 1244 1006 754 607 490 425 379 341 310 283

T1700HP 1700 3819 3127 2709 2083 1700 1322 1069 801 644 520 452 403 362 330 300

T1850HP 1850 4156 3403 2948 2267 1850 1439 1164 872 701 566 491 438 394 359 327

T2000HP 2000 4493 3679 3187 2451 2000 1555 1258 943 758 612 531 474 426 388 353

T2200HP 2200 4943 4047 3506 2696 2200 1711 1384 1037 834 673 584 521 469 427 389

T2350HP 2350 5280 4323 3745 2880 2350 1828 1478 1108 891 719 624 557 501 456 415

T2650HP 2650 5954 4875 4223 3247 2650 2061 1667 1249 1005 811 704 628 565 514 468

T2800HP 2800 6291 5151 4462 3431 2800 2178 1761 1320 1061 857 744 663 597 543 495

T2950HP 2950 6628 5427 4701 3615 2950 2294 1856 1391 1118 903 784 699 629 572 521

T3000HP 3000 6740 5519 4781 3676 3000 2333 1887 1414 1137 918 797 710 640 582 530

T3225HP 3225 7246 5932 5140 3952 3225 2508 2028 1520 1222 987 857 764 688 625 570

T3500HP 3500 7864 6438 5578 4289 3499 2722 2201 1650 1327 1071 930 829 746 679 618

T3900HP 3900 8762 7174 6215 4779 3899 3033 2453 1838 1478 1194 1036 924 832 756 689

T4200HP 4200 9436 7726 6694 5147 4199 3266 2642 1980 1592 1285 1116 995 896 815 742

T4300HP 4300 9661 7910 6853 5269 4299 3344 2705 2027 1630 1316 1142 1018 917 834 760

T4500HP 4500 10110 8278 7172 5514 4499 3500 2830 2121 1706 1377 1196 1066 960 873 795

Page 19 of 32

Page 20: vrla technical manual

T5000HP 5000 11234 9198 7968 6127 4999 3889 3145 2357 1895 1530 1328 1184 1066 970 883

T5500HP 5500 12357 10117 8765 6740 5499 4277 3459 2593 2085 1683 1461 1303 1173 1067 972

T5800HP 5800 13031 10669 9243 7108 5799 4511 3648 2734 2199 1775 1541 1374 1237 1125 1025

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 20 of 32

Page 21: vrla technical manual

VALVE REGULATED LEAD ACID BATTERIESDISCHARGE CHARACTERISTICS IN WATTS TO 1.90 ECV*

MODULE TYPE

MODULE CAPACITY

DISCHARGE IN MINUTES DISCHARGE IN HOURS

5 10 15 30 1 1.5 2 3 4 5 6 7 8 9 10

T80HP 80 170 137 119 91 75 58 47 35 28 23 20 18 16 14 13

T100HP 100 212 172 149 114 93 72 59 44 35 28 25 22 20 18 16

T120HP 120 254 206 178 137 112 87 70 53 43 34 30 27 24 21 20

T160HP 160 339 275 238 182 149 116 94 70 57 46 40 35 32 29 26

T200HP 200 424 344 297 228 187 145 117 88 71 57 50 44 40 36 33

T240HP 240 509 412 357 273 224 174 141 105 85 68 60 53 48 43 39

T280HP 280 593 481 416 319 261 203 164 123 99 80 70 62 56 50 46

T320HP 320 678 550 476 364 298 232 188 141 113 91 80 71 64 57 52

T360HP 360 763 618 535 410 336 260 211 158 128 102 90 80 72 64 59

T400HP 400 848 687 595 455 373 289 234 176 142 114 99 88 80 72 65

T440HP 440 933 756 654 501 410 318 258 193 156 125 109 97 87 79 72

T500HP 500 1060 859 744 569 466 362 293 220 177 142 124 110 99 90 82

T520HP 520 1102 893 773 592 485 376 305 228 184 148 129 115 103 93 85

T560HP 560 1187 962 833 637 522 405 328 246 198 159 139 124 111 100 92

T600HP 600 1272 1031 892 683 560 434 352 263 213 171 149 133 119 107 98

T680HP 680 1441 1168 1011 774 634 492 398 299 241 193 169 150 135 122 111

T760HP 760 1611 1305 1130 865 709 550 445 334 269 216 189 168 151 136 124

T850HP 850 1802 1460 1264 967 793 615 498 373 301 242 211 188 169 152 139

T920HP 920 1950 1580 1368 1047 858 666 539 404 326 262 229 203 183 165 151

T1000HP 1000 2119 1718 1487 1138 933 723 586 439 354 285 249 221 199 179 164

T1100HP 1100 2331 1889 1636 1252 1026 796 645 483 390 313 274 243 219 197 180

T1200HP 1200 2543 2061 1785 1365 1119 868 703 527 425 341 298 265 239 215 196

T1360HP 1360 2882 2336 2023 1547 1269 984 797 597 482 387 338 300 270 244 223

T1440HP 1440 3052 2473 2142 1638 1343 1042 844 632 510 410 358 318 286 258 236

T1500HP 1500 3179 2576 2231 1707 1399 1085 879 659 531 427 373 331 298 269 245

T1600HP 1600 3391 2748 2380 1820 1492 1158 938 703 567 455 398 353 318 286 262

T1700HP 1700 3603 2920 2529 1934 1586 1230 996 746 602 484 423 376 338 304 278

T1850HP 1850 3921 3177 2752 2105 1726 1338 1084 812 655 526 460 409 368 331 303

T2000HP 2000 4239 3435 2975 2276 1866 1447 1172 878 709 569 497 442 398 358 327

T2200HP 2200 4663 3779 3272 2503 2052 1592 1289 966 779 626 547 486 437 394 360

T2350HP 2350 4981 4036 3495 2674 2192 1700 1377 1032 833 669 584 519 467 421 385

T2650HP 2650 5617 4551 3942 3015 2472 1917 1553 1164 939 754 659 585 527 475 434

T2800HP 2800 5934 4809 4165 3186 2612 2026 1641 1229 992 797 696 619 557 501 458

T2950HP 2950 6252 5067 4388 3357 2752 2134 1729 1295 1045 839 734 652 586 528 483

T3000HP 3000 6358 5153 4462 3413 2798 2170 1758 1317 1063 854 746 663 596 537 491

T3225HP 3225 6835 5539 4797 3669 3008 2333 1890 1416 1142 918 802 712 641 577 528

T3500HP 3500 7418 6011 5206 3982 3265 2532 2051 1537 1240 996 870 773 696 627 573

T3900HP 3900 8266 6698 5801 4437 3638 2822 2285 1712 1382 1110 970 862 775 698 638

T4200HP 4200 8902 7214 6247 4779 3918 3039 2461 1844 1488 1195 1045 928 835 752 687

T4300HP 4300 9114 7385 6396 4893 4011 3111 2520 1888 1523 1223 1069 950 855 770 704

T4500HP 4500 9538 7729 6693 5120 4198 3256 2637 1976 1594 1280 1119 994 895 806 736

Page 21 of 32

Page 22: vrla technical manual

T5000HP 5000 10597 8588 7437 5689 4664 3617 2930 2195 1771 1423 1244 1105 994 895 818

T5500HP 5500 11657 9446 8181 6258 5130 3979 3223 2415 1948 1565 1368 1215 1093 985 900

T5800HP 5800 12293 9962 8627 6599 5410 4196 3399 2547 2055 1650 1442 1281 1153 1039 949

* ECV - End Cell Voltage

* Performance ofa fully charged cell at 27°C

Page 22 of 32

Page 23: vrla technical manual

SELECTING THE RIGHT BATTERY

The selection of the best battery for a certain duty requires some information about the use. Discharge

currents, backup time, operating voltage window and temperature are the basic information necessary

for the correct choice of the battery. Depending upon the duty cycle and the condition under which

the battery is operating, suitable correction factors viz., K-factors, temperature correction factor, end

cell voltage and aging factors are to be used to determine the best techno-economic choice of the

battery for any application.To give our customers a better service, we have a battery-sizing programme ‘Opti-Size’ using MS-Excel, which

will give the correct techno-economic choice of the battery in no time.

CORRECTION FACTORS

K-Factor: This factor is considered to estimate the available battery capacity at different discharge rates and

end cell voltages. This is the ratio of rated capacity to the amperes that can be supplied for ‘t’ minutes to a

given ECV.

Temperature correction factor: This factor is considered to take care of the variations in performance of the

battery at different temperatures. While high temperatures result in higher performance, lower than nominal

temperatures (27°C) lead to lower performance due to sluggish chemical activity. Temperature correction

factor at different temperatures is given in the table.

Aging factor: IEEE Std 450-1975 recommends that a battery be replaced when its actual capacity drops to 80

percent of its rated capacity; therefore, the battery’s rated capacity should be at least 125 percent of the load

expected at the end of its service life. Hence, a correction factor of 1.25 (=1/0.8) is taken as aging factor.

Design margin: A nominal 10% cushion is taken as a standard over sizing to take care of any design errors in

the loading equipment. This will be considered when specified by the customer.

Over load factor: It is a pure reserve capacity that may be installed to take care of any future additional load.

Normally 10-15% overload factor is considered. This of course will depend upon the customer’s requirement.

This also will be considered only when specified by the user.

TYPES OF LOADS

Common duty cycles imposed on the battery can be classified as (a) Continuous load and (b) Non continuous

loads. Continuous loads are energized throughout the duty cycle whereas non-continuous loads are energized

only in portions of the duty cycle.

Page 23 of 32

Page 24: vrla technical manual

CONTINUOUS LOADS:

a) Constant current discharge: (Telecommunications, Emergency lighting, Inverters etc.,)

Ex.1: Selection of a battery for supplying a load of 10 amps for 5 hours to an end cell voltage of 1.75V when

the system voltage is 48V at an ambient temperature of 27°C.

The information required / given for battery sizing is:

1. Load current in amperes – 10 amps

2. Backup time in hours – 5 hrs

3. System voltage – 48volts

4. End cell voltage / Minimum voltage – 1.75 volts

5. Temperature – 27°C

Step 1: Number of cells = System voltage / Nominal voltage

= 48 / 2

= 24 cells

This 24 cells is used to check up whether the minimum and maximum voltage are within the system’s

minimum and maximum voltage.

Minimum voltage = ECV chosen x No. of cells = 1.75 x 24 = 42 Volts

Maximum voltage = Float / Boost Voltage x No. of cells = 2.30 x 24 = 55.2 Volts

Step 2: Capacity required = Load current x backup time = 10 x 5 = 50Ah

Since the battery is designed for 10hr rate, the following correction needs to be applied.

Step 3: From the K-factor table, for 1.75 ECV and discharge time of 5 hrs, the k-factor is 5.81

Step 4: Required battery capacity = 50Ah x 5.81 = 58.1 Ah

5 hrs

Step 5: Applying Ageing Factor of 1.25, Sized battery capacity = 58.1 * 1.25 = 72.63Ah

Step 6: From tables the nearest higher available capacity, 80Ah is chosen. Thus the battery selected is

3 modules (3 modules x 8 cells) of type T80HP

b) Constant power discharge (UPS System):

Ex 2: Selection of a battery for supplying 40 KVA load for 30 minutes to an ECV of 1.75 with a Power factor

of 0.8 and an Inverter Efficiency of 85%. The voltage window is 205 – 285V and ambient temperature is -10°C

The information required / given for battery sizing is :

1. KVA / KW Rating - 40 KVA (Not required when KW rating is given for UPS)

2. Minimum voltage - 205 volt

3. Maximum voltage - 285 volt

4. Power factor - 0.8 (Not required when KW rating is given for UPS)

Page 24 of 32

Page 25: vrla technical manual

5. Efficiency of the Inverter - 85 %

6. End cell voltage - 1.75 volts

7. Operating temperature - -10°C

8. Back up time - 30 minutes

Page 25 of 32

Page 26: vrla technical manual

Step 1: Choice of number of cells:

Minimum number of cells = Minimum DC voltage / End cell voltage

= 205 / 1.75

= 117.14

Round this to the next higher whole number i.e. 118 number of cells

Maximum number of cells = Maximum DC voltage / Float or Boost voltage

= 285 / 2.3

= 123.91

Round this to the next lower whole number i.e. 123 number of cells

Ensure that the rounded minimum no. of cells is less than the rounded maximum no. of cell. The

number of cells selected should be in between the maximum and minimum number of cells determined

above.

Battery’s minimum voltage = Chosen no. of cells x 1.75 volts

= 120 x 1.75

= 210 volts

Battery’s maximum voltage = Chosen no. of cells x 2.30 volts

= 120 x 2.30

= 276 volts

Since both the above min and max voltages are within the UPS voltage window, proceed as below.

Step 2: Power required for UPS in kilowatts (KVA x PF = KW) = 40 x 0.8

= 32 KW

Step 3: Power required from the battery (KW / Inverter efficiency) = 32 / 0.85

= 37.647 KW

= 37647 watts

Step 4: Power required from each cell (watts per cell) = 37647 / 120

= 313.73 watts per cell

Step 5: Applying Ageing factor of 1.25 = 313.73 * 1.25

= 392.16 watts per cell

Step 6: Applying percentage rated capacity at –10°C (1.493) = 392.16 * 1.493

= 585.49 watts per cell

From the performance table, the Ah capacity of the cell capable of giving 585.49 watts to an end cell voltage of

1.75vpc, as a back up time of 30 minutes is 400 Ah. Battery selected is 30 modules of battery type T400HP.

Page 26 of 32

Page 27: vrla technical manual

NON-CONTINUOUS LOADS (CYCLIC LOADS) :

(Switch gear applications)

Basic terminology:

Load : The current in amperes for each time period

Period : The time during which an applied load is constant and is designated as time M

Section : The basic time unit taken for sizing. The section ‘N’ consists of first ‘N’ periods

K factor : The ratio of rated capacity to the amperes that can be supplied for ‘t’ minutes for a given

ECV and ambient temperature.

Time ‘t’ : The duration between the end of the section and the beginning of each period in every

section.

For sizing, the sequence of each load (in amperes) duration in minutes, system voltage and

temperature are required.

Ex 3: Selection of a battery for a regime having the following load profile for a voltage of 48 volt and

operating temperature of 27°C

Load name Load in Amps Time in min

Load A1 135 0.167

Load A2 120 59

Load A3 125 58

Load A4 132 2

Note: 1. Any short period of less than 1 minute duration is considered for 1 minute only.2. In any section N, if the current for the ‘N+1’ period is higher than the current of the period ‘N’,

then the section ‘N’ may be skipped as the next section ‘N+1’ will be of higher size.

3. Number of cells = Total system voltage / Nominal voltage

= 48 / 2 = 24 cells

Otherwise follow the Step 1 in the Example 2, if voltage window is given.

Using the worksheet given below follow the procedure.

Step 1 : Fill the load ‘A’ and period ‘M’ values in columns 2 & 4

Step 2 : Fill the changes in load as the difference between the current and previous loads with sign in

column 3

Step 3 : Fill the duration ‘T’ for each period from the beginning to the end of each section in column

5.

Step 4 : Enter the capacity rating factors Kt for each duration ‘T’ in column 6. Refer table number

Step 5 : The cell size for each period ‘P’ is calculated by multiplying column 3 and column 6 and

entered in column 7 with sign convention.

Step 6 : The sum of capacities for all periods in every section is taken as the size of the section.

Step 7 : The maximum value of all the sections noted as above is taken as the uncorrected size.

Uncorrected section size = 374.75 Ah

Applying temp. correction =

Page 27 of 32

Page 28: vrla technical manual

Applying Ageing factor =

Applying Design margin =

Applying future overload factor =

Applying any other factor =

Thus, the nearest higher available size of 520 Ah (T520HP) is selected. Number of cells selected is 24

nos i.e. (6 modules x 4 cells)

Page 28 of 32

Page 29: vrla technical manual

   

  Choose "1" if you want all section values or "0" to hide unnecessary section values 0  

  HBL NIFE - IEEE Std 485 - 1978 METHOD OF BATTERY SIZING  

  (1) (2) (3) (4) (5) (6) (7)  

  Period Load Change in load Duration of period Time to end of section (T) Cap at T min rate Reqd sec size  

  (Nos) (amps) (amps) (mins)   (mins) (hrs) K Factor 3 x 6 (Ah)  

 Section 1 - First 1 Period only - If A2 > A1, go to Section 2  

  1 A1  =135 A1-0  =135 M1  =1 T=M1= 1= 0.02 0.45 60.75 

                       Sec 1 Total 60.75 

 Section 2 - First 2 Periods only - If A3 > A2, go to Section 3  

  1 A1  =  A1-0  =  M1  =  T=M1+M2=  =        

  2 A2  =  A2-A1  =  M2  =  T=M2=  =        

                       Sec 2 Total  

 Section 3 - First 3 Periods only - If A4 > A3, go to Section 4  

  1 A1  =  A1-0  =  M1  =  T=M1+…M3  =  =        

  2 A2  =  A2-A1  =  M2  =  T=M2+M3  =  =        

  3 A3  =  A3-A2  =  M3  =  T=M3  =  =        

                       Sec 3 Total  

 Section 4 - First 4 Periods only - If A5 > A4, go to Section 5  

  1 A1  =135 A1-0  =135 M1  =1 T=M1+…M4  = 120= 2.00 2.82 381.36 

  2 A2  =120 A2-A1  =-15 M2  =59 T=M2+…M4  = 119= 1.98 2.81 -42.11 

  3 A3  =125 A3-A2  =5 M3  =58 T=M3+M4  = 60= 1.00 1.74 8.71 

  4 A4  =132 A4-A3  =7 M4  =2 T=M4  = 2= 0.03 0.50 3.50 

                       Sec 4 Total 351.45 

Page 29 of 32

Page 30: vrla technical manual

K-FACTORS

TIMEECV

1.90 1.85 1.80 1.75 1.70 1.67

Tim

e in

Hou

rs

120 94.12 87.84 82.35 78.43 --- ---

100 85.71 79.60 74.29 71.43 --- ---

72 63.49 58.70 54.95 52.80 --- ---

48 44.45 40.79 38.38 36.84 --- ---

24 25.40 22.88 21.81 20.87 --- ---

22 23.61 21.42 20.23 19.53 --- ---

20 21.82 19.96 18.65 18.18 --- ---

12 13.71 12.42 11.54 11.43 --- ---

10 12.00 11.04 10.36 10.00 --- ---

9 10.95 10.04 9.50 9.10 --- ---

8 9.85 9.12 8.64 8.30 --- ---

7 8.85 8.20 7.75 7.50 --- ---

6 7.85 7.30 6.90 6.70 --- ---

5 6.85 6.33 5.99 5.81 --- ---

4 5.49 5.10 4.85 4.76 --- ---

3 4.42 4.10 3.91 3.76 --- ---

2 3.31 3.07 2.91 2.82 --- ---

1.5 2.67 2.48 2.34 2.30 --- ---

Tim

e in

Min

utes

60 2.06 1.92 1.83 1.78 1.66 1.62

30 1.68 1.55 1.48 1.44 1.33 1.31

15 1.27 1.18 1.12 1.08 0.98 0.94

10 1.08 1.00 0.96 0.92 0.82 0.79

5 0.87 0.81 0.76 0.74 0.66 0.64

4 0.70 0.65 0.62 0.60 --- ---

3 0.65 0.60 0.57 0.55 --- ---

2 0.60 0.55 0.52 0.50 --- ---

1 0.55 0.50 0.47 0.45 --- ---

Page 30 of 32

Page 31: vrla technical manual

-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60

0

10

20

30

40

50

60

70

80

90

100

110

120

Capacity Variation with Temperature

Temperature in °C

Rat

ed C

apac

ity in

%

Ambient Temp in °C -20 -15 -10 -5 0 5 10 15 20 25 27

Correction Factor 2.083 1.724 1.493 1.351 1.266 1.190 1.136 1.087 1.042 1.010 1.000

1 10 100 1000

1.50

1.55

1.60

1.65

1.70

1.75

1.80

1.85

1.90

1.95

2.00

2.05

2.10

2.15

2.20

Performance Curves at Different Rates of Discharge

Time in Hrs

CC

V i

n V

olt

s

C10

C1

C2

C5 C8

C3

Page 31 of 32

Page 32: vrla technical manual

0 2 4 6 8 10 12 14 16 18 20 22

0

10

20

30

40

50

60

70

80

90

100

110

120

1.9501.9752.0002.0252.0502.0752.1002.1252.1502.1752.2002.2252.2502.2752.3002.325

CHARGING CHARACTERISTICS WITH CP CHARGINGCharge Voltage 2.3 Volts/Cell; Current limit 0.2C10 Amps

TIME IN Hrs

% R

EC

HA

RG

E

CE

LL

VO

LT

AG

E I

N V

OL

TS

0.20

0.18

0.16

0.140.12

0.10

0.08

0.06

0.04

0.020

0.22

0.24

CU

RR

EN

T I

N %

OF

RA

TE

D C

AP

AC

ITY

Voltage

Current% Recharge

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

40

50

60

70

80

90

100

CAPACITY RETENTION CHARACTERISTICS

Storage Period in Months

Ca

pa

cit

y R

ete

nti

on

%

40°C 30°C

20°C

Page 32 of 32