D2 , Suitable for Household battery , Power source type AC,DC , 2xNumber of batteries supported , Compatible battery technologies Lithium Iron Phosphate (LiFePO4)/Lithium-Ion (Li-Ion)/Nickel-Metal Hydride (NiMH)/Nickel-Cadmium (NiCd) , Compatible battery sizes AA,AAA,AAAA,C , Colour Black