Here, already, the cord supplied with the unit is only compatible Wii. For the Wii U-taking is different, the cable with the T is not suited to the Wii U, it took me to take a different USB cable, so I do not take the power supply of the console .. . And most importantly, keeping the batteries is very low for the time between 30 minutes and 1 hour max great ... Charging is extremely fast, almost identical, but the game time is really not enough. In addition, the description called self shutdown after charging, nothing says it stops, the green lights end of charge remain on, so I think that maintaining a load. In short, not really what I had imagined