IDX VL-4SE 4-Channel Lithium-Ion Battery Simultaneous Charger (V-Mount) charges up to 4 IDX Endura V-mount batteries at the same time. Each bay is independent of the others, so there is no waiting for one battery to finish before the next one can start. The charger features a durable yet lightweight polycarbonate body with a recessed power switch and a top handle. This V-mount charger is compatible with IDX's Endura series of batteries. Integrated safety circuitry protects charging batteries from an overcharge condition and the charger from damage should you try to charge a faulty or misused battery. It supports worldwide power so you can take and use this charger virtually anywhere in the world.