... TypeLead-acid, free Maintenance, Champion System Voltage 24V Capacity 150AH/12V,4pcs Dimensions l×w×h/Weight 483mm×172mm×242mm / 46kg Charge ... , 20A, Steca Max. module short circuit current 20A Dimensions l×w×h/Weight 187mm×96mm×44mm / 0.35kg Inverter Type High ... , Reverse polarity(FUSE) , over/under input voltage,over temperatureDimensions l×w×h/Weight 268mm×164mm×78mm / 2.1kg Control Box Material ...