8 Stage 12v Smart battery Charger • 6 Amp • Built-in microchip charging control & monitoring system. • Zero volt minimum start – can charge a completely flat battery. • Optimally designed charging cycle designed for Lead Acid/AGM, Gel and Calcium, Starting & Deep cycle batteries. • Automatic adjustment of charging voltages according to environmental temperature. • Reverse polarity, short circuit, overload & high temperature protection. • Overcharge protection