Upgrade via replacement.We wouldn't give you anything less than the best. Grade A cells chosen from among the top 10%. Rigorous inspection tests to ensure reliability. A built-in IC chip to prevent against short-circuiting. Complete NFC functionality. What does this all mean? In terms of quality, you won't find a better replacement. Don't just take our word for it, though - type in any quick, power-related search on Amazon and see who pops up. As the leader in our industry for the last 3 years running, we know batteries.Compatible Models:Samsung Galaxy S3, GT-I9300, GT-I9305 LTE, T999(T-Mobile), I747(AT&T), I535(Verizon), R530(U.S.Cellular), L710(Sprint), fits EB-L1G6LLUNote:As we are updating the appearance of our replacement batteries, some customers may receive a version that appears different than displayed in the product images.Get to know us.Here at Anker, we're dedicated to making the smart life easier. As a Top Rated Brand on Amazon, we've established ourselves as a leader in the field, bringing innovative and reliable technological solutions to millions of users across the globe. Our Astro line of external batteries has been voted #1 in class by thousands of online reviewers and praised by tech bloggers, while our renowned customer service team has made us a fan-favorite across the web. With every sale, we include an 18-month, worry-free guarantee to demonstrate the importance we set on quality. After all, we're customers too.