We’ve posted lots of deals on iPhone 6/6s battery cases, but the 7 is just different enough that they won’t fit properly. So if your iPhone 7 is struggling to make it through a full day, ZeroLemon’s 4,000mAh case is on sale for just $30 today with code 6ZTIK4U4. Not only is that $70 less than Apple’s case; its battery is larger, and it doesn’t have that weird hump.
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