Give yourself the extra power you need to keep gaming for those long hauls! Our Nintendo 3DS rechargeable 8000mAh battery will keep your juiced up with lots of extra power. And the free twi-wing screwdriver will help you install your new 3ds battery with ease. We're even throwing in a free 3DS Stylus to make it even better. With this replacement or extra battery you can keep playing and playing, without having to worry about charging your system over and over again. Our 3DS battery is compatible with the Nintendo 3DS and with the charger for it. With more battery life, you can really beat those games. Excellent for long trips or flights, when you just can't plug in to charge your Nintendo 3DS system. Lasts up to twice as long as standard the standard 3DS battery.