Nintendo Japan Wii U Tab 2.5 hours to charge, last 3-5 hours on charge depending on contrast setting

[haxxiy]

In comparison, Nintendo officially stated Wii's batteries last for 60 hours without using the pointer and 30 hours using it, before launching the console back in 2006. That's quite the step down.

Bear in mind I don't recall ever getting 30 hours out of a single pack of batteries, even the top lithium ones :P