... pole wrong, AC input protection against over and low voltage, Output protection against over load, shor circuit Protection, DC input and AC output completely electric ... for 12V,20V for 24V,40V for 48VLow Battery Alarm10.5V for 12V,21V for 24V,42V for 48VLow Battery ... wave inverter charger 1000W-6000W 12/24/48vdc 110/220vac 50/60Hz ( function(){ var aBigImageSrc = [ 'http://i01.i.aliimg.com/photo ...