... obility to step-down a higher voltage solar array to recharge a lower voltage battery bank.DC-50 MPPT charge ... 12V, 24V, 36V or 48V battery, DC-50H series of wide input voltage range is specifically designed for a ... short protectDisplayLEDsolar ,load,batteryLCD(option):Battery voltage ,Batterycharge current,Load currentLED:solar ,load, battery,AlarmConversion efficiency97.5%Operating temperature range ...