Item

Specification

Nominal Voltage

3.7V

Nominal  Capacity

4000mAh

Size

6*60*90mm 

Weight

8g

Max Charge Protetion Voltage

4.2V

Cut-off Discharge Voltage

2.75V

Charging Time

2-3H

Charge Method

CC-CV
(constant current and constant voltage )

Max Discharge Current

1C

Recharge Cycle Life

500times

Working Temperature

Charge

0~45°C,45~85%RH

Dis-charge

-20~60°C,45~85%RH

StorageTemperature

One month

-20~60°C,45~85%RH

and Humidity

Three months

-20~45°C,45~85%RH

One year:

-20~25°C,45~85%RH

Protection Fuctions

Over charge, Over discharge, 
Over load, Short Circuit

Warranty

12 months