Nickel Metal Hydride Batteries CBH0320A CBH0410A Battery Capacity 3.8Ah 4Ah Output Voltage Fixed 10.8V 10.8V Nickel Metal Hydride Nickel Metal Hydride Height 17mm 18mm Width 86mm 51mm Depth 146mm 208mm Battery Type NiMH NiMH Weight 485g 485g Battery Technology