This is the charger that revitalizes up to eight disposable batteries at once. The device has a sophisticated microprocessor and proprietary charging technology that automatically identify battery types and their conditions prior to charging. The unit recharges batteries in one to eight hours depending on the type and size and it can revitalize alkaline batteries up to 10 times. Eight charging slots accommodate six AAA, AA, A, C, or D batteries and two 9-volt batteries and the unit recharges alkaline, NiMH, or NiCd batteries. A built-in LCD shows the batteries' charge levels (excluding 9-volts). Plugs into AC. 9 1/2" L x 5 3/4" W x 2 1/2" H. (1 1/4 lbs.)