Drone Charger UP600AC DUO 2X600W 25A 2-6S Battery UAV Drone Charger Drone Charger UP600AC DUO is specifically designed for dual channels LiPo/LiHV charger of big drones, it can charge & storage 2pcs LiPo/LiHV battery packs simultaneously, with “one-button charge” function, easy to use. In addition, UP600AC Duo has short-circuit, reverse polarity, and overheat protection to ensure maximum safety.