... ,Provided with three kinds of electrical sources, AC100V~240V 50/60Hz, external DC12V,and internal battery, it ... used in many places.3,The internal battery is charged with constant voltage and limited current while the ... 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.: ...