JS-10.8V27.2AH

1

Nominal capacity

27.2Ah

Min capacity

23.0Ah

2

Nominal Voltage

10.8V

3

Charging cut-off voltage

12.6±0.1V

4

Discharging cut-off voltage

9.0V

5

Recommend charging current

5A

6

Max discharging current

15A

7

Recommended discharging current

5A

8

Max discharge current

9A

9

Charging cut-off current

≤300mA

Delay 1 minute to cut-off

10

Charging temp conditions

0~15℃

Charging current≤5.44A

15~45℃

Charging current≤15.00A

11

Discharging temp conditions

-20 ~ -10℃

Discharging current≤5.44A

-10~60℃

Discharging current≤9.00A

12

Storage temp

Recommend

：-20℃~45℃

During storage, the battery must undergo a charge-discharge cycle every three months and be charged to 70% of its capacity

1

Internal resistance

Less than 300 mΩ

2

Open-circuit voltage

10.8V

At 25±2℃ working temp, drained completely, 0.5C fast charge to 2hrs and measurement

3

Cycle life

≥60% after 700 cycle times

At 25±2℃ operation temp, 700 times charging and discharging cycle

Charging voltage/current: 12.6V/0.2C, cut-off current ≤0.01C

Discharging current: 0.2C (cut-off voltage 9.0V)

Cycle interval time: 10minutes

4

Energy retention capacity

More than 80%

At 25±2℃ operation temp, placement 30 days then discharge to calculate

5

Deep discharge

=initial capacity

After standard charging, at 25±2℃ operation temp

With a 10-ohm resistor for 24 hours to discharge ,then use 0.2C charge to 12.6V, cut-off current≤0.01C

25AStem：

12AWG＆24AWG wire

1, 8

LED1

LED1

Power indicator for switch 1

2, 7

LED2

LED2

Power indicator for switch 2

3, 6

SC

SMBC

SMbus Clock signal interface

4, 5

SD

SMBD

SMbus Data signal interface

9, 11

P+

P+

Charge &discharge positive pole

10

P-

P-

Charge &discharge negative pole