Nitecore RCR123A Li-Ion Battery 650mAh NL166

For High-Drain Electronics, Overcharge / Discharge Protection, 500 Charge / Discharge Cycles, Built-In Pressure Relief Valve. This 3.7V 650mAh RCR123A Li-Ion Rechargeable Battery from Nitecore has been specifically designed for use in high-drain devices and features integrated ...For High-Drain Electronics, Overcharge / Discharge Protection, 500 Charge / Discharge Cycles, Built-In Pressure Relief Valve. This 3.7V 650mAh RCR123A Li-Ion Rechargeable Battery from Nitecore has been specifically designed for use in high-drain devices and features integrated overcharge and over discharge protection circuitry which reduces the risk of damage to the battery.

A pressure relief valve allows excess pressure which can build up due to extreme or rapid changes of temperature or altitude to be safely dissipated. With a life-cycle of around 500 charges using this rechargeable battery can replace dozens of disposable ones - which helps the environment.