1.5V Lithium AA Rechargeable Batteries 3500mWh High Capacity AA Li-Ion Battery
Capacity: 3500mWh / 2333mAh. Capacity: 3500mWh. Size: 50.5 14.6mm (Slightly longer than AA batteries without a protective plate). The weight is about 19g, is 20% lower than Ni-MH batteries. Input: Type-C 5V 2A.