One COAST ZITHION-X USB-C rechargeable AA battery replaces up to 1,000 single-use batteries-cutting waste, saving money, and delivering reliable power with every charge.Specifications and Features: Chemistry: Lithium Ion Capacity (mAh): 2400 mAh Capacity (Wh): 3 Wh Voltage: 1.5 V Approx Charge Time: 2.5 h Product Compatibility: All AA Alkaline Devices Charge Input: USB-C Cell Size: AA