CP12-18 12V18Ah

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.

Performance Characteristics
Outer Dimensions
Nominal Voltage ……………………..…………………… 12V
Number of cell ……………………………..……………... 6
Design Life …………………………………..……………. 5 years
Nominal Capacity 77°F(25°C)
20 hour rate(0.9A,10.5V) …………………….………..… 18Ah
10 hour rate(1.67A,10.5V) ……………….….…….…….. 16.7Ah
5 hour rate (3.06 A,10.5V) ………………….…..….......…15.3Ah
1 hour rate(11.6A,9.6V) ……...……………..…..………... 11.6Ah
Internal Resistance
Fully Charged battery 77°F(25°C) ………….…..…….….15 mΩ
Self-Discharge
3% of capacity declined per month at 20°C(average)
Operation Temperature Range
Dimensions and Weight Discharge ……………………………………..…………. -20~60°C
Length ( mm / inch )………………………….……181 / 7.73
Charge ………………………………………..………….. -10~60°C
Width ( mm / inch ) ……………………….....…...…76 / 2.99
Height ( mm / inch ) …………………..…….…..…166 / 6.54 Storage …………………………………………………… -20~60°C
Total Height ( mm / inch )……………….…..…..…166 / 6.54 Max.Discharge Current 77°F(25°C) ………...…...……. 216A(5s)
Approx.Weight( Kg / lbs )………...…………….…5.5 / 12.10
Short Circuit Current …………………………...……….. 270A
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

Temperature Charging time

Charging Max.charging
Charging compensation 25°C(h) Temp
Application Voltage current
method coefficient of (°C)
at 25°C
charging voltage 100% 50%
discharge discharge
Constant
For standby
power voltage & 13.4-13.8V -18 mV/°C 5.4A 24 20
source Constant 0~40
Current (32~104°
For Charging F)
14.5-15.0V -30 mV/°C 5.4A 16 10
cycle service (with current
restriction)
*Temperature compensation of charging voltage is not needed.when using the batteries within 15°C to 35°C range.
WWW.COOPOWER.COM CP12-18 12V18Ah
Testing Conditions:Floating Voltagr:2.25 to 2.30 /Cell
at 25°C(77℉) Ambient Temperature:20°C to 25°C (68°F to 77°F)
140
me

Available Capacity (%)

o lu
Charging Current(A)

0.25C
Charged Volume(%)

120
ge dV
har
15.0 120

Charge Voltage (V)

C
100 0.20C
Charging Voltage 14.0
100
80 80
0.15C
60 13.0
0.10C
60
40 After 100% Discharge 12.0
After 50% Discharge
40
20 0.05C
Charging Current 11.0 20
0
0
0 2 4 6 8 10 12 14 16 18 20 1
0.5 2 3 4 5
Charging Time (hours)
Life (Year)

at 25°C(77°F)
25°C (77°F)
13

Battery Voltage(V)
Capacity (%)

120 12

100 11
80 4.5A 3.06A 1.8A 0.9A
10
60 11.6A
100%DOD 50%DOD 30%DOD 9
40
20 Depth of 8
54A 36A 18A
Discharge
0 1 2 3 5 10 20 30 60 2 3 5 10 20 30
0 200 400 600 800 1000 1200 1400
min h
Cycle Number Discharge Time
Remaining Capacity (%)

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

6
0° C (32° F)
75
4
10° C (50° F)
Life (Year)

2
50 20° C (68° F)
1
40° C (104° F) 30° C (86° F)
25

0
0 3 6 9 12 15 18 0 .1
10 20 30 40 50 60 (° C)
50 68 86 104 122 140 (° F)
Storage Time (Months) T e m p e ra tu re

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 63.0 50.4 36.0 20.8 14.7 11.8 6.30 4.55 3.09 2.03 1.69 0.92
1.65V 61.2 48.6 34.2 20.3 14.6 11.6 6.25 4.53 3.08 2.03 1.69 0.92
1.70V 57.6 45.0 32.4 19.8 14.4 11.5 6.22 4.50 3.06 2.01 1.67 0.90
1.75V 50.4 37.8 30.6 18.7 14.2 11.3 6.12 4.45 3.06 2.00 1.67 0.90
1.80V 45.0 32.4 28.8 16.2 14.1 11.1 5.94 4.32 3.03 2.00 1.64 0.88

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

F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 8h 10h 20h
1.60V 114.7 92.0 66.3 40.1 28.1 22.6 12.1 8.79 5.97 3.94 3.29 1.80
1.65V 110.0 88.2 62.7 38.8 27.7 22.1 12.1 8.74 5.94 3.93 3.27 1.80
1.70V 104.7 83.0 59.7 37.0 27.3 22.1 12.0 8.69 5.91 3.93 3.27 1.78
1.75V 91.8 70.0 56.4 34.7 27.0 21.8 11.8 8.59 5.91 3.88 3.24 1.75
1.80V 82.0 63.0 53.2 30.1 26.7 21.4 11.4 8.33 5.86 3.88 3.19 1.72