... alkaline batteries, it recharges several common rechargeable batteries as well. RC999 FeaturesTypes of ... press the button once more to turn the unit back on. Battery Sizes Supported: ... volt prismaticRC999( Non-rechargeable Alkaline and Saline,NI-MH,NI-CD rechargeable Battery,AA,AAA,N ... ,C,D,9V),Universal,Intelligent Alkaline Battery ChargerAvoid to damage the battery ...