DEWALT Professional 30 Amp Battery Charger, 3 Amp Battery Maintainer with 100 Amp Engine Start

A true multi-tasker, the DEWALT DXAEC100 Professional 30 Amp Battery Charger and Battery Maintainer is the high efficiency solution for 12-Volt WET, GEL and AGM batteries. It provides a powerful 100 amp engine start, 30 Amp of charging and 3 Amp maintainer. The alternator check tests the vehicle's alternator to indicate if it is operating properly. Electric pulse technology can help reverse sulfate build up on battery plates to improve charge capacity and extend battery life. Built-in reverse polarity protection.