mophie 2036_JPU-BOOST-2-RED Juice Pack Boost Battery, Red (Discontinued by Manufacturer) Designed for iPhone and iPod, the juice pack boost delivers a compact and lightweight power solution, cased in an aesthetic fit for on-the-go style enthusiasts. Now you can give your iPhone or iPod extended battery life with the mophie juice pack boost. With enough power to recharge your iPhone to 100%, the sleek, low-profile boost is ultra slim and slips right in your pocket making it easy to bring with you while on-the-go. This lightweight and compact design means youre always ready for a quick charge whenever you need it. An ultra-compact 2000mAh rechargeable lithium-ion polymer battery more than doubles the battery life of your iPhone or iPod.