Specifications:Battery:- Battery type: Rechargeable battery- Battery size(s): AAA- Battery technology: Nickel-Metal Hydride (NiMH)- Battery voltage: 1.2 V- Battery capacity: 950 mAh- Heavy metals free: Cd (cadmium), Hg (mercury)- Number of batteries included: 2 pc(s)Weight & Dimensions:- Width: 21 mm- Depth: 10.5 mm- Height: 44.5 mm- Weight: 26 g