iPower iPowerMax AA3610 is a Rechargeable AA 1.5V 3610mWh Li-Polymer Battery. It is a New Generation Battery with a brand new design as well as the latest technology to maintain constant 1.5V output from beginning to end.
Note: If the new iPowerMAX batteries are used together with older versions, then the limit of using four batteries in series, output current 1A, according to the old battery specification applies. It is recommended to use qualified 5V3A USB power supply. Low powered power-supply will over load, causing overheating and slow charging.