Battery model

552439

Nominal voltage

3.7V

Minimum capacity

400mAh(0.2C discharge)

Typical capacity

380mAh(0.2C discharge)

Charging voltage

4.2V

Discharging cut-off voltage

3.0V

Standard charging

0.2C /4.2V

Max charging

1.0C /4.2V

Standard discharging

0.2C/3.0V

Max discharging

continuous discharge

1.0C/3.0V

non-continuous discharge

2.0C/3.0V

Weight

Appr:12.0g

Shipment voltage

≥3.85V

Battery pack impedance

≤100mΩ

Operating temperature

Charging:    0°C ~ 45°C

Discharging: -20°C ~60°C

Storage (At 50% SOC and specified temp, recoverable capacity in % vs time )

-10℃~25℃

(12 months ≥85% )

-10℃ ~45℃

(6 months  ≥85% )

-10℃~55℃

(1 month   ≥90% )

20±5℃ is the recommended storage temperature

Visual Inspection

There should not be any remarkable scratches, cracks, bolts, cauterization, deformations, swelling , leakage and so on the surface of the cell.

Reference standard

GB/T 18287-2013,IEC/EN61960,UL1642