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    Review: Incipio offGRID Backup Battery Case for iPhone 4

    By Nick GuyMay 17, 2021 1:15 pm UTC

    Since so many products we receive for review have been designed by one company and then modestly tweaked or rebranded for another, it’s not unusual these days to see two cases with different names and nearly identical designs. Still, the situation with Incipio’s offGRID ($70) and iKit’s NuCharge ($65) battery cases for the iPhone 4 is pretty strange. At first glance, the cases look almost identical, right down to specific curves both inside and out; each does have legitimate cosmetic differences, but they’re small. Yet we were genuinely surprised by the performance distinctions between the cases, one of which is advertised as having higher battery capacity than the other, but winds up delivering less of a boost to the iPhone 4.

    Review: Incipio offGRID Backup Battery Case for iPhone 4


    Review: Incipio offGRID Backup Battery Case for iPhone 4

    The basic case design is quite similar between offGRID and NuCharge. Both are black plastic sleds, offGRID glossy- and NuCharge matte-finished, designed to be as small as can be by battery case standards—they’re noticeably shorter and thinner than most of their rivals. Your iPhone 4 slides in between two plastic side walls and a Dock Connector plug fits into the port on the bottom of the device. All of the back, except for the camera and flash, is covered. The left side has an opening for the ringer switch and volume buttons, large enough to accommodate the differences between GSM and CDMA devices. Both cases have removable top caps that match the rest of the body, with very small cutouts for the headphone port, noise-canceling mic, and Sleep/Wake button. The NuCharge headphone port hole is almost ridiculously small, though you can pull either case’s top cap off if you need full port access.

     

    Review: Incipio offGRID Backup Battery Case for iPhone 4

    Review: Incipio offGRID Backup Battery Case for iPhone 4

    On the front of each case, underneath the iPhone 4’s bottom edge, is a glossy black strip that runs all the way across. While the whole thing is flat, the left side can be pressed to both turn the case on or off and to display the current battery life across 4 LEDs. While iKit’s is solid all the way across, Incipio’s has two thin holes at the top: one for the speaker and one for the microphone. Call quality was just a tiny bit better on the latter model, but it was only slightly noticeable. Along the bottom edge of both cases there’s a Micro USB port for charging and a grated opening over the microphone on the left side.

     

    Review: Incipio offGRID Backup Battery Case for iPhone 4

    One of the big differences between the two cases is the finish. As noted above, iKit chose to use a soft-touch, matte plastic while Incipio went with glossy, a difference that will have long-term consequences. Soft-touch coated accessories tend to peel after a period of extended use in a pocket or bag, while glossy accessories develop a patina of scratches starting early in their lives, but don’t peel. Other minor changes: NuCharge’s sides are flat, while those on offGRID are rounded. NuCharge also has a metal strip that serves as an accent, and a built-in stand located right next to the camera, sitting flush against the body of the case when not in use and folding out when needed. The case stands on a recline in both landscape orientation and upside-down portrait orientation. This second position actually works very well for FaceTime calling, but not much else.

     

    Review: Incipio offGRID Backup Battery Case for iPhone 4

    The battery inside of Incipio’s case has a capacity of 1450mAh while iKit’s holds 1400mAh. We naturally expected the former to provide at least a little more of a charge than the latter. In our testing though, the opposite was true. For both cases, we tested a powered-on, 3G/Wi-Fi-connected iPhone 4 with the screen turned off, no calls coming in, and no audio playing. NuCharge raised the battery level from 27% to 99%, a change of 72%, in just under two hours while offGRID only increased it 63% in about an hour and a half before it ran dry. We ran multiple tests with offGRID and its performance was always below NuCharge’s. Both results are pretty good—roughly comparable to 70% we saw from the more expensive 1500mAh Mophie Juice Pack Air—but NuCharge’s superior performance was a surprise.

     

    Review: Incipio offGRID Backup Battery Case for iPhone 4

    Review: Incipio offGRID Backup Battery Case for iPhone 4

    Unexpectedly, NuCharge turns out to be a better value than offGRID, and one of the best overall battery cases we have reviewed for the iPhone 4. Even though it is rated at a lower capacity, it still charged the iPhone 4 battery almost 10% more than Incipio’s case, offering comparable capacity to well-established models such as Juice Pack Air. Combine that with a lower retail price and a neat kickstand, and we highly recommend it. offGRID is still a very good case with a respectable battery built in, and we’d expect that its glossy body will wear better over time. As such, it’s worthy of a general recommendation and a B+ rating.

    Our Rating

    B+
    Recommended

    Company and Price

    Company: Incipio

    Website: www.Myincipio.com

    Model: offGRID

    Price: $70

    Compatible: iPhone 4

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    Nick Guy
    Nick Guy
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    Nick Guy was an Accessories Editor at iLounge. He had reviewed thousands of iPhone, iPod and iPad accessories; provided visitors comprehensive evaluations of products on the industry-leading independent authority.

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