Bosin HM Series Solar Inverter with MPPT controller can choose different types of batteries.High-low voltage protection.Against overload, short-circuit Protection.Over voltage, battery reverse connection(optional).Under-voltage and over-temperature protection. Selectable battery priority or utility priority.AC Grid priority&battery priority working mode are selectable .AC Grid mode: AC Bypass supplies load when AC is normal, battery invert AC Supplies load when AC is Off. Battery priority: Battery invert supplies load when battery get full-charged; AC Bypass supplies load When battery low and at the meantime battery get charged from solar controller. It transfers back to Battery invert mode when battery gel full charged. It males full use of solar energy and saves electricity. Product details MODEL HM7kW Pro HM8kW HM10kW…