... AC100V~240V 50/60Hz, external DC12V,and internal battery, it can be conveniently used in many places. ... 3,The internal battery is charged with constant voltage and limited current ... DC 12V power supply. The capacity of the battery is respectively indicated by green, yellow and ... AC 100V~240V, 50/60Hz7,Power input:110VA8,Battery duration on full charge: ≥30min9,G.W.: 6.5kg ...