Freeze resistant rechargeable battery Fenix 18650 with 2900 mAh capacity with protection. It has been developed specifically for use in military and medical applications that require high durability.
This battery will be especially appreciated in winter, when it can operate reliably in extreme conditions even in temperatures well below freezing to -40°C.
The advantage of the Li-Ion battery is its high capacity, and it almost does not suffer from self-discharge or memory effect.
The battery is equipped with over-discharge, short circuit, overheating and high current draw protection. If the electronic protection of the battery reaches the limit values, the cell is safely disconnected.