IDX VL-4S Multi-format 4-Channel Simultaneous V-Mount Li-Ion Fast Charger Quick charge current: 2.0A/16.8V Charge time: approx. 2.5 hours for 4 E-50 series batteries Input voltage: auto AC100 240V 50/60Hz Dimensions: 6.1"(W) x 6.1" (H) x 10.0" (D) 157mm (W) x 158mm (H) x 255mm (D) Weight: approx. 7.7 lbs. (3.5kg)