Rechargeable Wuben 18650 battery with a capacity of 3400 mAh.
The advantage of the Li-Ion battery is its high capacity; in addition, it almost does not suffer from self-discharge or memory effect.
This battery is equipped with protection against over-discharge, short circuit, overheating and high current draw. If the electronic protection of the battery reaches its limit values, the cell is safely disconnected. Service life is more than 500 charging cycles.
This R version is additionally equipped with a built-in micro-USB-C port, which allows charging without the need to use a charger.