DeWalt - Professional 30 Amp Battery Charger/Maintainer w/ 100 Amp Engine Start

Charge and maintain your car battery with 100 amps. Provides 100 amp engine start 30 amps of charging and 3 amp maintainer. Alternator check to indicate if it is operating properly. Battery reconditioning helps reverse sulfate build-up. Comes with battery clamps for direct battery connection. Reverse polarity protect ensures cables are connected correctly. LCD screen gives feedback of charging and maintaining. 110V AC adapter. Includes both clamps and O-rings. Dimensions: 11"L x 8.75"W x 4"H.