Sofirn 2*21700 4000mAh 10C 40A HD Battery, Made of Lishen LR2170LA cell
1 / 1
27% OFF
sofirn

Sofirn 2*21700 4000mAh 10C 40A HD Battery, Made of Lishen LR2170LA cell

$18.99 $25.99
84 sold
ship from
Qty 72 in stock

Here are a reviewa on Lishen 21700 4000mah batteries, link is: https://budgetlightforum.com/node/79382

Specifications:

Battery type: 21700

Battery Capacity: 4000mAh

Battery voltage: 3.6V

Standard charge: CCCV 2A, 4.20V, 200mA cut-off

Rapid charge: CCCV 6A, 4.20V, 100mA cut-off

Max. continuous discharge: 45A with cut-off at 80°C surface temperature

Discharge cut-off voltage: 2.5V

Cycle life: 300 cycles to 60% (25℃)(6A charge / 35A discharge)

MAX Discharge Current: 40A 



Data: 
Diameter: 21.2mm ± 0.2mm
Length: 70.6mm ± 0.15mm
Weight: 65g ± 2g
Nominal capacity: 4000mAh at 0.2C(800mA) discharge current