Hyperion Samsung Galaxy S4 5200mAh Extended Battery + Back Cover (Compatible With ALL Samsung Galaxy S 4 Models) [2 Year No Hassle Warranty]NOW WITH NFC / Google Wallet (BLACK) Extend your talk time on your Samsung Galaxy S4 with Hyperion Extended Batteries (Compatible with All US and International Versions). 5200 mAh Battery Capacity (with Black Extended Back Cover). *NOT TO BE USED WITH THE S4 ACTIVE** Batteries use "A" Grade Lithium Ion Cells. Now With NFC/Google Wallet Capabilities! Distributed by Hyperion Electronics Accessories. 2 Year No Hassle Warranty! Shipping same or next business day!