QCell Samsung Galaxy SIII 2100mAh Battery Compatible with Samsung Smart Phones- NFC for S Beam And Google Wallet Razor Series Slim Battery for Verizon/Sprint/AT&T/T-Mobile/US Cellular/International Galaxy S3 Designed in Canada. Same capacity as original battery OEM Grade Cell for Maximum Efficiency DYNAStop overcharge IC stopper built in Voltage: 3.7V / Premium Quality and Best Material used