There are thousands of batteries on Amazon, and let's be honest: they're all pretty much the same. They're plastic squares with battery cells in them. Fone Salesman thinks they can change the game with QiStone+, but I remain skeptical at best. They're going to need to go back to the drawing board. Snazzy Labs app for iOS - http://tinyurl.com/snazzy-app-ios Snazzy Labs app for Android - http://tinyurl.com/snazzy-app-android You guys are the greatest! Stay snazzy!