DeWalt Professional 30 Amp Battery Charger and Battery Maintainer

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. Versatile battery charger and maintainer - features 100 Amp engine start, 30 Amp of charging and 3 Amp maintainer Alternator check - tests the vehicle's alternator to indicate if it is operating properly Simple opeation - easy to read LCD screen gives you a clear view of charging status and battery status Compatible with12-Volt AGM, GEL or WET automotive or marine battery automotive or marine battery Battery reconditioner determines viability of battery to accept a charge, if battery is not in optimal condition it automatically switches on to reverse sulfate build-up on battery plates to improve charging carrying capability and extend battery life Engine start - provides a high-current boost to help start a vehicle when the battery does not have enough power to start the engine on its own