Soshine 21700 3.7 4000mAh 20A Unprotected

Soshine 21700 3.7V 4000mAh 3C Li-ion Rechargeable Battery with Color Box
Model: 21700-3.7-4000
Bar Code: 6951151511720

Features:
High Quality Lithium Ion rechargeable cell.
Maximum capacity and reliability.
Discharge continuous current: 3C

Specifications:
System: Cylindrical Li-ion Battery
Type: 21700
Nominal Voltage: 3.7V
Charge Voltage: 4.2V
Nominal Capacity: 4000mAh 
Minimum Capacity: 3900mAh
Nominal Voltage: 3.6V
Charge Voltage: 4.2V
Internal resistance (m): 15-16
Max. Discharge Current: 3C
Weight: 71g (1pc)

Dimensions:
Battery Size (D x H mm): 21.5 x 70.5 (1PC) 

Includes:
- 1 x 21700 rechargeable Li-ion battery 

Note:
(1) The batteries should be stored at room temperature,charged to about 30% to 50% of capacity.
(2) During long term storage,in order to ensure the battery to maintain the capacity level,we suggest Li-ion batteries should be charged and discharged once every 6 months.