JX-7.6V3500mAh

1

Nominal capacity

3550mAh

At operation temp 25±2℃, using 8.70V/0.2C charging and 0.2C discharging

Min capacity

3500mAh

At operation temp 25±2℃, using 8.70V/0.2C charging and 0.2C discharging

2

Nominal Voltage

7600mV

3

Charging cut-off voltage

8700mV

Constant voltage charging

4

Discharging cut-off voltage

6000mV

Stop discharging when the voltage of single cell below 3.0 V

5

Recommend charging current

700mA (0.2C)

Max charging current 0.5C

6

Recommended discharging current

700mA (0.2C)

Max discharging current 1.0C

7

Charging cut-off current

≤0.03C

Delay 1 minute to cut-off

8

Operation temp

Charge 0~45℃

Humi 45%~85%

Using ＜0.1C discharging with below 10℃ operation temp

Discharge一40~60℃

9

Storage temp

Recommend：-5℃~30℃

During storage, the battery must und ergo a charge-discharge cycle every three months and be charged to 50%-70% of its capacity

1

Weight

2

Internal resistance

Less than 150 mΩ

3

Open-circuit voltage

About 7.6V

At 25±2℃ working temp, drained completely, 0.5C fast charge to 1hrs and measurement

4

Cycle life

≥75% after 300 cycle times

At 25±2℃ operation temp, 300 times charging and discharging cycle

Charging voltage/current: 8.7V/0.2C, cut-off current ≤105mA

Discharging current: 0.2C (cut-off voltage 6.0V)

Cycle interval time: 20minutes

5

Energy retention capacity

≥80%

At 25±2℃ operation temp, placement 28 days then discharge to calculate

6

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 8.7V, cut-off current≤105

7

Cycle temp

≥80% good appearance

Undergo 5 times cycle testing and confirm standard discharging time, then check the appearance is good after standard charging.

Cycle temp: humi less than 85%RH, 55℃ （2 hrs）—20℃ （4 hrs）- -10℃ （2hrs）*5 times