ProMariner 36 Amp 52036 Battery Charger Protournament Professional Performance for Fastest Charge Times: Designed to deliver maximum charging performance and extend battery life Tournament Winning Technology: 100 percent charge upon completion of multi-stage charging process. 100 percent charging output with AC power as low as 90 VAC. 50 percent lighter and 2 to 3 times faster than traditional chargers. Forced Induction Cooling (360 Elite models only): Concealed waterproof fan provides forced air cooling for cooler operation and fastest charge times Digital LED Display with Dual Mode Battery Status Monitor: Intuitive LED display with charge mode indicators and real time charge level status with an on-the-water push-to-test feature for percent of battery power remaining 3 Selectable Performance Matched Charge Profiles: Profiles include: Standard Flooded/AGM batteries, HP AGM1 for pure lead AGM batteries like OPTIMA Blue Top Marine Batteries, HP AGM 2 for pure lead AGM Batteries like Odyssey Marine Batteries