***NOTE: BATTERIES ARE SOLD INDIVIDUALLY***

IMREN 18650 rechargeable 3.7V 3000mAh Max 40A Yellow battery is a standard size 18650 battery. It has a 3.7V constant voltage and 40A powerful instantaneous current. The battery life can be over more than 600 cycles.

Check out the IMREN 21700 40A Yellow Rechargeable Battery that will extend the life of your device. At a nominal voltage of 3.7V, the IMREN 21700 40A battery provides a continuous discharge rate of 40A.