I just purchased the below and find it is of good quality and works with both my
S3 and nexus 7.......and at a good price.
Wireless Qi Power Charger Charging Pad+Receiver for Samsung Galaxy S3 SIII i9300 | eBay
S3 and nexus 7.......and at a good price.
Wireless Qi Power Charger Charging Pad+Receiver for Samsung Galaxy S3 SIII i9300 | eBay