We need a 3.7 V battery. Anything higher would likely cause significant damage to the 3DS and may be a fire hazard. Luckily, virtually every battery made for the 3DS outputs at 3.7 V.

The battery in the Nintendo 3DS is as bad as we had feared, and it's a major impediment to enjoying the system. Here's what we've found so far, after playing with the system for a number of days ...

Handheld games machines demand lengthy battery life, so how does the 3DS fare? We drain, deplete and demolish Nintendo's new machine, and show how to squeeze more juice from your own console.

Face it, the Nintendo 3DS stinks for battery life. Let’s not pretend it doesn’t matter, or that it’s okay because we’re getting nifty no-glasses 3D, or, you know, put lipstick on a Tepig .

A red icon means that you better plug in soon. Yellow means that you’re running low on power, and that (in this build) your laptop is running in its low-power, battery-saver mode.

If you took the time to peruse our early review of the Nintendo 3DS, and it sure looks like a lot of you did, you're probably well aware that battery life is a serious concern.We managed just over ...