Whether used on cars, trucks, ATVs, boats, motorcycles or lawn mowers, the Diehard Platinum 6 volt or 12 volt battery charger and maintainer provides the needed charging supply. A digital display makes following instructions simple, while a microprocessor helps prevent overcharging. Float-mode monitoring keeps your battery at a normal voltage, maintaining the battery’s charge. This portable charger offers multiple connector choices, including 50A clamps, a 12 volt accessory plug and ring connectors. Fully automated and prevents overcharging by switching to preservation mode when charging is completeA digital display guides you through the charging processA hook attachment enables you to suspend the unit safely out of a work zoneCompact and portable, this charger is offered in black or silverIt saves you time and effort by automatically choosing the battery's voltage