The Energi's runtime is better than the Lenmar Meridian, which provided 10:05 of extra juice and the $79 iBattz Mojo Hi5 Power Bank, which lasted an epic 12:54. That's nearly 10 hours longer than the iPhone 5s lasts with no additional battery (5:26). With the battery case attached, our iPhone 5s lasted 15 hours and 12 minutes on the Laptop Mag Battery Test, which involves continuous Web surfing on 4G LTE on 40 percent brightness. The Energi has a 2,500-mAh battery, which the company says will provide up to 9 additional hours of talk time. Tylt IP5BPRSRD-T BUMPR Protective Case for iPhone 5 - Three Cases in one - Retail Packaging - Black EAN 781420039947 38.94 USD Tylt Energi Sliding Power Case for iPhone 5/5S - Retail Packaging - Green EAN 781420047003 92.43. The Energi comes with a microUSB charging cable, as well as a 3.5mm headphone extension cable, which is needed if you want to listen to music on your iPhone with the battery pack connected. The Juice Pack Helium is only 2.5 ounces. Measuring 5.5 x 2.6 x 0.35 inches and weighing 3.35 ounces, the Energi is heavier than the 3-ounce Lenmar Meridian, but lighter than the 3.9-ounce iBattz Mojo Hi5 Power Bank. Mophies highest-capacity case, the Juice Pack Plus (114.95 on Amazon ), is thick and long and packs only 2100 mAh (100 less than MiLi) while costing a whopping 66 more. We prefer a more precise gauge, such as those on the iBattz and Mophie Juice Pack Helium cases, which use four LEDs to more accurately show the battery level. Its a protective case and a rechargeable battery extender. A small button on the bottom lets you activate the battery an LED in the middle of the button turns green to indicate a full charge, blue when it's half full and red when it's low or empty. Extend the battery time on your iPhone 5 / 5s / 6 / 6+, iPad, and iPod with an ibattz case.
Click to EnlargeThe black battery section has rounded edges and a soft-touch coating on its back, making it more comfortable to hold than the angular Lenmar Meridian. Apple Maps may sometimes send clueless drivers off the beaten path and even onto active airstrips, but the company may be facing a far deeper problem with its new flagship iPhone 5S directional.