... Metal Hydride)RechargeableBattery Sizes Supported:1-4 batteries of: AAA, AA, N, C, D, and 1 X 9 volt prismaticRC999( Non ... NI-MH,NI-CD,AlkalineRechargeable Battery,AA,AAA,N,C,D,9V),Universal,Intelligent)ChargerAvoid to damage the battery,don' ... fantastic device not only regenerates dead alkaline batteries, it recharges several common rechargeable batteries as well, helping you save money and reduce ...