Emovation&reg; Samsung Galaxy SIII Extended Battery 3200mAh Power Case (Black) + Video Mode Kickstand (Compatible with Samsung Galaxy S III GT-i9300, AT&T Samsung Galaxy S3 Samsung i747, Verizon Samsung Galaxy S3 Samsung i535, T-mobile Samsung Galaxy S3 Samsung T999, U.S. Cellular Samsung Galaxy S3 R530, and Sprint Samsung Galaxy S3 Samsung L710) 3200mAh X-Life Extended Battery Case for Galaxy S3 Hard Plastic case for maximum protection while doubling Your battery life with built-in heavy duty battery Comes with Kickstand for Video mode DYNAStop overcharge IC stopper built in Voltage: 3.7V / Premium Quality and Best Material used