... LCD display option 4,CE certificates 5.pure sine wave output 2000w power inverter with charger EP3000 series inverter pure sine wave output1, rated power: 1000w 1500w ... 12V DC, 24V DC, 48V DC4, battery charger buit in: 35-70amp5, pure cooper transformer buit in: YES, dimension: EI162 ... each time when power on or every 6 days.SOLAR CHARGER Rating voltage12V / 24V / 48V12V / 24V / 48VDC input range12V ...