Power. Protect. Charge. Sync.
Compatible with iPhone 4 and iPhone 4S on AT&T, Verizon and Sprint
With a universal case style that fits all iPhone 4 and iPhone 4S models, myPower for iPhone 4 is ideal for iPhone 4 and iPhone 4S! Learn more about myPower for iPhone 4 compatibility.
Swappable iPhone 4 Battery Case Module
myPower for iPhone 4 features Tekkeon’s new innovative eSwap™ technology, in which the battery is housed in a separate module that can be exchanged with a fresh battery module while on the go. This enables users to carry extra, fully-charged battery packs, making its additional hours virtually limitless. The battery case comes with the Ultra Slim 1200 mAh battery pack, with extra battery packs available optional modules.
Preserves iPhone 4 Battery
Equipped with a replaceable efficient lithium polymer battery pack, myPower for iPhone 4 preserves the iPhone battery by bypassing the battery and directly powering (rather than charging) iPhone 4. When plugged into a USB power adapter or computer USB port, myPower for iPhone 4 will simultaneously charge the connected iPhone 4 battery.
Highly Efficient Design Provides Maximum Mobile Power
Designed with intelligent circuitry, myPower for iPhone 4 provides an unheard of 95% efficiency which means the condensed lithium polymer battery provides maximum power output without adding substantial weight or size to iPhone 4 or iPhone 4S. Inherent with this advanced battery technology are all the key battery safety features, including built-in protection from over current, overcharging, over discharging, overheating, and short circuiting. myPower for iPhone 4, depending on the battery module, almost doubles or more than doubles the iPhone 4 or iPhone 4S battery.
Protection from Wear and Tear
myPower for iPhone 4 doubles as a protective case; its hard shell interior and raised edges provide a high level of protection to iPhone 4 and iPhone 4S. Because it encloses the side and back of iPhone, the battery case enhances iPhone 4 and iPhone 4S reception by acting as a bumper. It also comes with myGuard protectors for the front and back of your iPhone.
With a sleek contour that softens the iPhone 4 edges, and a slip-proof, soft touch finish, myPower for iPhone 4, best battery case for iPhone 4 and iPhone 4S, makes iPhone 4 and iPhone 4S more comfortable to hold.
At only 1.84 oz (51.5 g) and with a minimalist design that elegantly wraps iPhone 4 or iPhone 4S, myPower for iPhone 4 is almost undetectable.