If you love to play your 3DS for hours while you are on the road, you're going to need a few spare Nintendo 3DS batteries to keep the fun going. Batteries and small and will fit snugly in an accessory case. If you're Nintendo 3DS battery stops working, look for a wholesale dealer with a free shipping offer to get the most out of your games once again. You can even buy Nintendo 3DS batteries that will last far longer than the one that came with your device. Buy an external battery, and you can keep playing easily on a plane or in a car.