The battery is constructed by plates,separators,safety valves and container.

Since the electrolyte is held by a glassmat separator and plates,the battery can use in any direction and position without leakage. Outer Dimensions Dimensions and Weight Length ( mm / inch )……………………….…..…..…39 / 1.54Width ( mm / inch ) ………………………...…...……14 / 0.55Height ( mm / inch ) …………………..….….……... 50 / 1.97Total Height ( mm / inch )………...………..…..……50 / 1.97Approx.Weight( Kg / lbs )………...……………..…0.09 / 0.20

Performance Characteristics

Nominal Voltage ……………………..……………………4V

Number of cell ……………………………..……………... 2

Design Life …………………………………..…..…………. 5 years

Nominal Capacity 77°F(25°C)

20 hour rate(0.025A,1.75V) …………………….………… 0.5Ah

10 hour rate(0.047A,1.75V) ……………….….…….…….. 0.47Ah

5 hour rate (0.086 A,1.75V) ………………….…..….......…0.43Ah

1 hour rate(0.10A,1.6V) ……...……………..…..……….....0.10Ah

Internal Resistance

Fully Charged battery 77°F(25°C) ………….…..…….….60 mΩ

Self-Discharge

3% of capacity declined per month at 20°C(average)

Operation Temperature Range

Discharge ……………………………………..…………. -20~60°C

Charge ………………………………………..………….. -10~60°C

Storage …………………………………………………… -20~60°C

Max.Discharge Current 77°F(25°C) ………...…...……. 6A(5s)

Short Circuit Current …………………………...……….. 7.5A

Battery Constructionn COMPONENT Positive plate Negative plate Container Cover Safety valve Terminal Separator Electrolyte

RAW MATERIAL Lead dioxide Lead ABS ABS Rubber Copper Fiberglass Sulfuric acid

Charging Methods

Charging time

25°C(h) Application Charging

method

Charging

Voltage

at 25°C

Temperature

compensation

coefficient of

charging voltage

Max.charging

current

100%

discharge 50%

discharge

Temp

(°C)

For standby power source

4.50-4.60V -6 mV/°C 0.15A 24 20

For

cycle service

Constant

voltage &

Constant

Current

Charging

(with current

restriction)

4.86-5.00V -10 mV/°C 0.15A 16 10

0~40

(32~104°

F)

*Temperature compensation of charging voltage is not needed.when using the batteries within 15°C to 35°C range.

CP4-0.5 4V0.5Ah

Sk ype:Battery_ manufacturer

WWW.COOPOWER.COM CP4-0.5 4V0.5Ah

Discharge Constant Current (Amperes at 77°F25°C) F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h

1.60V 1.76 1.40 1.00 0.58 0.41 0.33 0.18 0.13 0.09 0.06 0.05 0.03 1.65V 1.70 1.36 0.95 0.57 0.41 0.32 0.17 0.13 0.09 0.06 0.05 0.03 1.70V 1.60 1.26 0.90 0.55 0.40 0.32 0.17 0.13 0.09 0.06 0.05 0.03 1.75V 1.40 1.05 0.85 0.52 0.40 0.32 0.17 0.12 0.09 0.06 0.05 0.03 1.80V 1.26 0.90 0.80 0.45 0.39 0.31 0.17 0.12 0.08 0.06 0.05 0.02

Discharge Constant Power (Watts/cell at 77°F25°C)

F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h1.60V 3.19 2.56 1.84 1.11 0.78 0.63 0.34 0.24 0.17 0.11 0.09 0.05 1.65V 3.06 2.46 1.74 1.08 0.77 0.62 0.33 0.24 0.17 0.11 0.09 0.05 1.70V 2.91 2.30 1.66 1.03 0.76 0.62 0.33 0.24 0.16 0.11 0.09 0.05 1.75V 2.56 1.94 1.57 0.97 0.75 0.61 0.33 0.24 0.16 0.11 0.09 0.05 1.80V 2.28 1.76 1.48 0.84 0.74 0.60 0.32 0.23 0.16 0.11 0.09 0.05

COOPOWER BATTERY INDUSTRIAL CO.,LTD. Qinghu Industrial Estate Longhua Town Shenzhen City China HTTP:WWW.COOPOWER.COM Tel:+86-755-28079811 Fax: :+86-755-2807991 Email:Battery.manufacturer.cathy@gmail.com

Testing Conditions:Floating Voltage:2.50 to 2.60 /CellAmbient Temperature:20°C to 25°C (68°F to 77°F)

Life (Year)

0.5 1

80

Ava

ilabl

e C

apac

ity (%

)

40

020

60

120100

2 3 4 5

Rem

aini

ng C

apac

ity (%

)

25

00 3

50

75

100

Storage Time (Months)

6 9 12 15 18

0° C (32° F)

10° C (50° F)

20° C (68° F)

30° C (86° F)40° C (104° F)

at 25°C(77°F)

h

0.086A

min

0 1

Discharge Time

2 3 5 10 20 30 60 32 5

Batte

ry V

olta

ge(V

)

3.34

3.68

4.00

2.68

3.00

4.34

1.5A 1.0A

0.33A

0.5A

0.13A

10 20 30

0.025A0.05A

3.68

4.00

4.34

4.68

Charged Volume

8

Charging Time (hours)

120 0.25C

20

0

Cha

rged

Vol

ume(

%)

40

60

100

80

0.05A

0 2 4 6

Cha

rgin

g C

urre

nt(A

)

0.15C

0.10C

0.20C

140

Cha

rge

Volta

ge (V

)

Charging Current

1210 14 1816 20

After 100% DischargeAfter 50% Discharge

Charging Voltage

at 25°C(77 )

5.00

400

Cap

acity

100%DOD

0

20

40

200

(%)

6080

120

100

30%DOD50%DOD

Cycle Number

600 800

Depth of Discharge

12001000 1400

25°C (77°F)

Life

(Yea

r)

0 . 11 05 0

2 06 8

1

6

2

4

(° F )

(° C )

T e m p e r a tu r e

3 08 6

4 01 0 4

5 01 2 2

6 01 4 0

F lo a t C h a r g e a t 2 .3 V /C e l l 6 V ,1 2 V B a t te r ie s