... -MH (Nickel Metal Hydride)Rechargeable Battery Sizes Supported:1-4 batteries of: AAA, AA, N, C, D, and 1 X 9 volt prismatic ... RC999( Non-rechargeable Alkaline and Saline Battery,NI-MH,NI-CD rechargeable Battery,AA,AAA,N,C,D,9V),Universal,Intelligent Alkaline ... waste. You can even charge or regenerate mixed battery types and sizes at the same time!Get more life out of ...