IBM Battery Ni-Mh f ThinkPad A-Series. Battery technology: Nickel–Metal Hydride (NiMH), Battery voltage: 10.8 V, Battery life (max): 3 h. Weight: 0.3 kg. Colour of product: Black. Operating temperature range (T-T): 10 - 40 °C, Operating relative humidity range: 5 - 85 %. Dimensions (WxDxH): 140 x 84 x 21 mm