12v 4ah battery

Capacity

(25°C)

20HR(10.5V)

4Ah

10HR(10.5V)

3.7Ah

1HR(9.60V)

2.25Ah

Dimension

Length

90±1mm (3.54inch)

Width

70±1mm (2.76inch)

Height

101±1mm (3.98inch)

Total Height

107±1mm (4.21inch)

Approx. Weight

1.45kg 

Terminal type

F1/F2

Internal resistance

(Fully charged, 25°C)

Approx. 26mΩ

Capacity affected by temperature (20HR)

40°C

102%

25°C

100%

0°C

85%

-15°C

65%

Self-discharge

(25°C)

3 month

Remaining Capacity: 91%

6 month

Remaining Capacity: 82%

12 month

Remaining Capacity: 65%

Nominal operating

temperature

25°C±3°C(77°F±5°F)

Operating temperature range

Discharge

-15°C~50°C(5°F~122°F)

Charge

-10°C~50°C(14°F~122°F)

Storage

-20°C~50°C(-4°F~122°F)

Float charging voltage(25°C)

13.60 to 13.80V

Temperature compensation:

-18mV/°C

Cyclic charging voltage(25°C)

14.50 to 14.90V

Temperature compensation:

-30mV/°C

Maximum charging current

1.5A

Terminal material

Copper

Maximum discharge current

75A(5 sec.)

Designed floating life(20°C)

3~5 years