DSE9130 - DEEP SEA Electronics - Battery Charger 12 Volt 5 Amp - DSE 9130 - Original - 1 Year Warranty! DSE9130 12 Volt 5 Amp Switch-Mode Battery Charger keeps batteries charged to their maximum capacity at all times Automatic float mode return. Prevents overcharging battery damage. Reverse polarity, short-circuit and current limiting protection. Prevents damage to the charger and battery, to provide secure and reliable operation. Power save mode. Ensures the battery maintains enough power at all times. No moving parts. Ensures longer battery charger life. Provides an efficient, economical and cool running battery charger