Simultaneous charge, up to 2 installable batteries, retractable Foot design, On/Off switchable fan, DC-UPS - Uninterrupted AUX power Input: AC 100-240V 47-63HzOutput:2x DC 16.8V 6.0A max, simultaneous, 1x AUX DC nominal 14.4V 6.0A max.Simultaneous charge: all the 2 batteries are charged in parallel for maximum performanceAdaptive charge current: fast with large batteries, gentle with smallerUniversal charger: can charge any brand of V-Lock batteriesON-OFF switchable fan for quiet operationDC-UPS: AUX output always available even during charge. Without AC connected, the installed batteries provide power to the AUX output in sequenceData socketRetractable Foot design, great stability, minimum sizeSize: 260 x 150 x 85mm (10.24" x 5.91" x 3.35")Weight: 1.2Kg (2.65lbs)