This Npa-MQZ1K Multi Battery Adaptor Kit rapidly charges up to four NPFZ100 Z-series rechargeable battery packs and can also be connected to the camera via a plug-in plate, providing dramatically extended operating time for sessions that can t be interrupted by battery changes. This set contains 2 x Np-FZ100 Batteries, Power Cord, Mounting Plate, 2x Screws, Cable Protector, Battery Seat Lid, Leash Cord, and Warranty.