The AC Adapter charges and provides power to your Nintendo 3DS®, DSi®, or DSi XL® system and may be used with any 100-240 volt outlet. Simply plug the charger into any AC outlet and connect the other end into the 5.2 V input on the 3DS®/DSi®/DSi XL® and your device will ready to be re-energized for extended play For 2DS™/3DS®/DSi®/DSi XL® systems 110 Volt power supply Keeps batteries fresh!