Good quality li-ion battery pack 3.7V,3.7V cylinder lithium ion battery,li-ion battery 3.7V 4000mAh battery pack

Item

Specification

Nominal Voltage

3.7V

Nominal  Capacity

4000mAh

Size

Customized

Weight

90g

Max Charge Protetion Voltage

8.4V

Cut-off Discharge Voltage

5.5V

Charging Time

4-5H

Charge Method

CC-CV
(constant current and constant voltage )

Max Discharge Current

1C (Customized)

Recharge Cycle Life

800times

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

   Li-ion
   Batteries

  high power

  batteries