Energizer Rechargeable Advanced AAA 4 - pk. Battery technology: Nickel–Metal Hydride (NiMH), Battery capacity: 1000 mAh, Battery voltage: 1.2 V. Weight: 12 g. Colour of product: Silver. Dimensions (WxDxH): 10.5 x 10.5 x 44.5 mm, Battery type: AAA