China Ultra Slim Universal Mobile Cell Phone Battery Charger for iPhone 4S/4 - China Mobile Cell Phone Battery Charger for Iphone 4s/ and Charger for Iphone 4s/4 price
So the back of my old iPhone 4 split open and I'm not 100 percent sure but does this mean the battery might explode : r/Whatisthis
Apple iPhone 4S Battery Replacement - Black 100% Genuine