CONVENIENCE: Charge up to 2 Wii Controllers Simultaneously</br>EXTRA POWER: The Bundle Includes 2 Extra Batteries to Help you Play Longer.</br>PRACTICAL: Hook & Charge your Controllers without Removing the Batteries</br>CHARGE POWER: Use the Wii USB Jack?? a Computer USB Port or any 5V adapter to plug your Station.</br>PACKAGE CONTENTS: Charging Station + 2 Battery Packs + USB Charging Cable</br></br>Product Description</br></br>Dual Charging Dock for Wii Wireless Controller is designed for charging Wii wireless controller. This product is equipped with 2 pieces battery pack?? which can be installed in the controller. There is also a piece of USB charging cable?? through which you can connect the MicroUSB on the battery pack to DC 5V output port or Adaptor port. You can charge the controller directly when the battery packs are installed in the controller.</br><br/>http://www.amazon.com/gp/product/B01HC1TPW8