Charging plates (I got a chair style one so I could see the display, most are just flag circles): https://www.amazon.com/gp/product/B00S7IBDGW/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Samsung made back cover with QI integration: https://www.amazon.com/gp/product/B00ITI24EK/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Backup battery: https://www.amazon.com/gp/product/B00KQ038AS/ref=oh_aui_detailpage_o00_s01?ie=UTF8&psc=1

http://www.amazon.com/Samsung-Galaxy-Wireless-Charging-Battery/dp/B00ITI24EK/ref=sr_1_1?ie=UTF8&qid=1428602899&sr=8-1&keywords=Qi+wireless+case just one example

I got a wireless charger and love it http://www.amazon.com/Samsung-Compatible-Wireless-Charging-Charger/dp/B00F358AVI/ref=pd_sim_cps_4?ie=UTF8&refRID=1FMK3635P0Q84DFKK8J7 and a new back to support wireless charging http://www.amazon.com/dp/B00ITI24EK/ref=pe_385040_30332190_TE_dp_1#