The IDX VL-4S Endura 4-Channel Lithium-Ion Battery Charger 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.