Kratax 1.5V Lithium AA Rechargeable Batteries 3500mWh Double A 8Slot LCD Charger
Capacity: 3500mWh / 2333mAh. Size: 50.5 14.6mm (Slightly longer than AA batteries without a protective plate). Input: Type-C 5V 3A. Household and Office Devices. The weight is about 19g, is 20% lower than Ni-MH batteries.