看造型似乎是通过GamePad底部的充电口供电的外接型锂电池，估计就是多了一块GamePad的锂电池，重量不知道会增加多少呢？
UBoost http://www.amazon.co.uk/gp/product/B009Q5XGO2
- Essentially a battery extension
- 2x the battery life
- Attaches to the back– no tools or modification required (which assumedly means you don’t have to remove the old battery to use it)
- Works together with the internal battery
- Adds a built-in stand to the Gamepad so you can stand it up without using a separate stand
- Still uses the charging cradle/cord that comes with the Wii U normally
- Available in Black and White, “later this year”
- $19.99英镑（199元人民币左右）
Charge Link
- USB charging cable for the Gamepad
- ‘Extra long cord’ so you can play from further distances
- Velcro strap for easy storage
- Available now
- $14.99英镑（149元人民币左右）
Power Stand
- Sort of like a third party version of the Deluxe Bundle’s charging cradle
- “Drop n charge” functionality
- Use it to view movies and stuff
- Available “this year”
- $14.99英镑（149元人民币左右）
Charge Adapter
- Essentially a third party replacement Gamepad charging cord
- Plugs into AC wall outlet, charges Gamepad
- ‘Velcro strap’ for easy storage
- Available “in time for the Holidays”
- $14.99英镑（149元人民币左右）
Charge Base Pro
- Charging station for up to two Wii U Pro Controllers
- Attach a magnetic charging dongle to the Pro Controller’s USB Port and set it on the charging pad
- Magnets will automatically lock the charging dongle into place
- “Artfully suspends the controller in the vertical dock”, which seems like a silly way to phrase is
- LED light indicates when fully charged
- Dock is collapsable
- Powered through an AC adapter, so it charges faster than the Pro Controller’s proprietary USB cord
- Available “holiday season”
- $29.99英镑（299元人民币左右）
