FriendlyTomato Wii Dual Controller Stand Charger Dock Base w/ Extra Batteries - Charging Station CONVENIENCE: Charge up to 2 Wii Controllers Simultaneously EXTRA POWER: The Bundle Includes 2 Extra Batteries to Help you Play Longer. PRACTICAL: Hook & Charge your Controllers without Removing the Batteries CHARGE POWER: Use the Wii USB Jack, a Computer USB Port or any 5V adapter to plug your Station. PACKAGE CONTENTS: Charging Station + 2 Battery Packs + USB Charging Cable