Wisedeal Portable External Mobile Battery Wireless Charger for Samsung Galaxy S3 i9300 High Efficiency Charger Easy to replace any parts with low life time maintenance cost Works with any Qi-enabled device through an adapter or an embedded chip Power Source: AC Adaptor plugs into charging pad Freedom of Placement: No annoying magnets to align or secret spots to find in order to charge your device. The Inductive Charger has Qi, the new universal standard for charging. You can charge any Qi-enabled device today, tomorrow and beyond.