Vapcell F40 21700 4000mah 25A/40A

Specification:

u Model: F40

u Size: 21.4*70.5mm

u Typical Capacity: 4000mAh (0.2C discharge)

u Min capacity: 3900mAh (0.2C discharge)

u Nominal voltage: 3.60V

u Max Continuous Discharge Current: 25A

u Max Discharge Current: 40A

u End-of-charge voltage: 4.20V

u End-of-discharge Voltage: 2.5V

u Weight: 76g ( Appr)

u Internal resistance: 11mΩ ( Appr) （AC 1kHz）

u Standard Charge: 2000mA,CCCV 100mA cut-off

u Quick Charge Current: 4000mA

Unique Features :

Tips：

Button top can be added, and the size is 2-3mm longer than a standard 21700 cell like flat top & unprotected. The button top is widely required for flashlights, doorbells and other devices.

Discharge Graph: