12 Volt 10 Amp Intelligent Automatic Battery Charger Auto Boat 12v 10A 24V 5A Electronically protected against overcharge, short circuit, reverse polarity and overheat Fully automatic diagnose, recover, charge and maintain For all Lead-acid batteries (WET, MF, AGM and GEL) Automatically diagnose, recover, charge and maintain batteries for months Fully automatic from charge to maintenance mode