Tekkeon myPower Rechargeable Battery Case with Replaceable Battery Module for AT&T and Verizon iPhone 4 (Black)

Tekkeon myPower Rechargeable Battery Case with Replaceable Battery Module for AT&T and Verizon iPhone 4 (Black) Review

Tekkeon myPower Rechargeable Battery Case with Replaceable Battery Module for AT&T and Verizon iPhone 4 (Black) Feature

• Delivers power for hours of extra play/work time through an innovative bypass that preserves the iPhone 4 battery by powering, not charging, your iPhone 4
• eSwap technology lets you swap the battery module on the go to double, triple, or more, the amount of power you get with myPower for iPhone 4. Optional ultra
• Ultra slim profile gives power without unnecessary bulk
• High-speed micro USB 2.0 interface lets you automatically sync your iPhone 4
• Preserves iPhone 4 Battery: Preserves the iPhone battery by bypassing the battery and directly powering (rather than charging) iPhone 4.
• Complete Protection from Wear and Tear: Doubles as a protective case with raised edges to provide a high level of protection. Included myGuard protection films for iPhone 4 prevent dust or other elements from scratching the surface.
• Highly Efficient Design Provides Maximum Power: Intelligent circuitry provides an unheard of 95% efficiency for maximum power output, without adding substantial weight or size to iPhone 4.
• Increases Comfort: With a sleek contour that softens the iPhone 4 edges, and a slip-proof soft touch finish, myPower for iPhone 4 makes iPhone 4 more comfortable to hold
• Swappable Battery Module: Features Tekkeon's new innovative eSwap technology  that lets you easily use a fresh battery module.

myPower for iPhone 4, the ultra slim rechargeable battery case for iPhone 4, lets you talk, rock, view, share, and stay connected longer. This compact battery case doubles as a dock for automatic syncing, and as a case to protect your iPhone 4 from everyday wear and tear. Equipped with a replaceable efficient lithium polymer battery pack, myPower for iPhone 4 preserves your iPhone 4 battery by bypassing the battery and directly powering (rather than charging) your iPhone 4. When plugged into a USB power adapter or computer USB port, myPower for iPhone 4 will charge itself and the connected iPhone 4 battery. A bright dual-color LED shows the capacity level at a quick glance. With its highly innovative eSwap technology (patent pending), myPower for iPhone 4 lets you exchange the battery module on the go. That way, you can have extra battery packs at your fingertips, so you’re not limited by the capacity of a single external battery. The lightest battery case available for iPhone 4, myPower for iPhone 4 includes a micro USB cable so you can dock your iPhone 4 for charging and automatic syncing to a connected computer