Listman IMR 21700 3800mAh 40A Battery Pair

Sold in a pair only.

Specifications

Model: 21700
Normal voltage: 3.7V
Normal capacity: 3800mah
Charging voltage: 4.2V ± 0.5V
Discharging cut-off voltage: 2.5V
Discharge rate: 40A
Rechargeable: Yes
Size: 21±2mm Diameter 70±1mm Length
Cycle life: > 500 times
Operation Temperature Range: Charge (0~45C) Discharge (-10~60C)
Top: Flat Top

Safety

Always use a battery charger that is rated for Li-ion cells
Batteries should never be left charging unattended
Batteries should never be loose in pocket or bag (use case provided)
All lithium batteries have a cycle-life, however, a battery should be replaced every 2 years – whichever comes first
Never continue to use a battery with a broken PVC wrap
Never completely discharge batteries
Do not expose to extreme heat