The Quad DOCK Plus keeps you in the game, allowing you to charge up to 4 Wii Remotes and 4 "AA" rechargeable batteries simultaneously. LED charge indicators tell you when the charge status is full so you know when your Wii Remotes are fully charged. The Quad DOCK Plus includes 4 rechargeable battery packs for your Wii Remotes so you never have to worry about batteries!