Ci4 , Suitable for Universal , Power source type USB , 4xNumber of batteries supported , Compatible battery technologies Lithium-Ion (Li-Ion)/Nickel-Metal Hydride (NiMH)/Nickel-Cadmium (NiCd) , Compatible battery sizes AA,AAA,AAAA,C,D , Power protection features Short circuit , Colour Black/Yellow , Weight 191.4 g