Wii U GamePad will let you change the battery yourself

Nintendo has designed the back of the Wii U GamePad (that's the one with the power-sapping screen) with regular screws, allowing Joe Public the ability to access the rechargable battery and change it. Sounds like a small concession, but it's not the norm for such devices, as mobile electronics such as phones, iPads and DualShock 3s all feature sealed batteries that you aren't meant to be able to change