Hyperion Samsung Galaxy S4 7500mAh Extended Battery with NEW MicroPack Technology + Replacement Black Back Cover (Compatible With ALL Samsung Galaxy SIV Carriers) [3 Year NO HASSLE Warranty] - (Black) You will receive (1) Hyperion 7500mAh MicroPack Technology battery that uses similar technology found in hybrid cars and increases performance by up to 44% in the same size as the 5200mAh extended battery! No one else can give you true 7500mAh for the size of a normal size extended battery! (Cases sold separately). **Now with NFC/GOOGLE Wallet** If your OEM battery doesn't seem to last as long as it once did or if you are just looking to add [more] power to your smart phone to get through busy day, this replacement battery is perfect for you! 300% more power than the OEM battery and 45% more than an typical extended battery. Do more...longer! Hyperion batteries have an integrated microchip to prevent overcharging and overheating that helps lengthen the life of your battery. 3 YEAR NO HASSLE Warranty. At Hyperion EA, we stand behind our products with great quality products to protect your investment and unsurpassed customer service. If you have any problems with your case, contact our friendly customer service for assistance. Sold exclusively by Hyperion EA. Compatible with ALL Galaxy S4 / SIV Models and Carriers (US and International Models). Phone and case NOT included.