3.2V56Ah LiFePO4 Battery

Specification

Remarks

Nominal Capacity

56Ah

@0.2C discharge , 2.5V cut off

Typical Capacity

55Ah

@0.2C discharge , 2.5V cut off

Minimum Energy

176Wh

@0.2C discharge , 2.5V cut off

Nominal Voltage

3.2V

Charge Voltage

3.65±0.02V

Charge Mode

CC/CV

Charge

Standard charge : 0.2C 

Charge at 0.2C to 3.65V, then 3.65V (constant voltage) until the charge current is less than 0.02C cut off

Rapid charge : 1.0C

Charge at 1C charge to 3.65V, then 3.65V (constant voltage) until the charge current is less than 0.02C, cut off.

Discharge 

Standard Discharge : 0.2C 

Constant Current 0.2C, cut-off Voltage 2.5V 

Rapid Discharge : 1.0C

Constant Current 1C, cut-off Voltage 2.5V

Max. Charge Current

1.0C

1.0C(45℃≥T≥ 10℃) ;   0.2C(10℃≥T≥0℃)

Cont. Discharge Current

2.0C to 2.5V

0.5C(50℃≥ T≥ 45℃) ;  2.0C(45℃≥T≥5℃)  ;  0.2C(5℃≥T≥-20℃)

Max. Discharge Current

3.0C 

3.0C(45℃≥T≥5℃)

Inner Resistance

 ≤ 2.0mΩ

1kHz AC Method

Weight (Approx.)

1450±30g

Dimensions

Thickness(max): 30mm

25 ±2℃

Width(max): 135mm

Length(max): 185mm

Cycle Life

≤ 2000 times

@0.1C discharge, 100% DOD

Operating Temperature

Charge: 0 ~ 45℃

Discharge : -20 ~60℃

Storage Temperature

1 year : 10~20℃

At 50% SOC

3 months : -0~25℃

1 month : -20~30℃

Storage Humidity

5%≤ RH≤ 85%