EV li ion battery with more than 2000times deep cycle

Items

Parameters

Nominal Voltage

3.8V 

Nominal Capacity 

30.0Ah (0.5C1A charge/discharge)

Internal Resistance

≤1.3mΩ

Cut-off Charge Voltage

4.20V±0.01V

Standard Charge Method

Charge the battery at a constant current of 15A ( 0.3C1A)

 to 4.2V, and then charge at a constant voltage of 4.2V(CV) 

until the charge current is≤1.5A

Max. Charge Current

Continuous charge: 15A (0.5C1A)

Momentary charge:60A(2C1A)(≤30s)

Standard Discharge Method

Current: 15A (0.5C1A)

Cut-off discharge voltage: 3.0V

Max. Discharge Current

Continuous discharge: 90A(3C1A)

Momentary discharge: 150A(5C1A) (≤30s)

Cycle-Life (at room temperature)

≥1500 cycles (800%DOD charge at 0.5C1A and discharge at 0.5C1A,

 Remaining Capacity≥70% Nominal Capacity)

Working Temperature

Charge : 0°C ~ 40 °C

Discharge: -20°C ~ 55°C

Storage Condition 

-10°C ~ 40 °C (0 ~ 30 °C recommended) Humidity 30±20%

Weight 

850±10g

Retention Capacity 

>95%( after 28days’ storage at 25°C)

Casing Material

Plastic aluminum

3.1 Nominal capacity

10ah

3.2 Nominal Voltage

3.2v

3.3 Charging Voltage

3.650±0.050V

3.4 Discharging cut-off Voltage

2.00V

3.5 Charge Type

CC/CV

3.6 Max instantaneous

discharge Rate

3C

3.7 Discharge current

10A

3.8 Working Temperature

Charging        0 to +45°C

Discharging     -20 to +45°C

3.9 Storage Condition

Temperature   -20 to +35°C*

Humidity      65 to ±20%RH

3.10 Weight

330g

3.11 inter resistance

≤7 mΩ