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The powerful 2600mAh built-in battery can effectively provide 120% additional battery life to your iphone 7, which adds additional 13 hours of talk time and 10 hours of web browsing time.
Featuring a fully protective hardshell case with the minimum added bulk. Enjoy the comprehensive protection while still maintain the slim form factor of your iphone 7
The Battery Case also has the following functions built-in: charging switch, LED battery level indicator, charge & sync through the case, headphone jack cutout, function button cutouts
Charge both iPhone 7 AND battery case without removing the battery case (Switch the power button of the battery case to off position)
Awinner Battery Case for iPhone 7 Ultra Slim Extended Battery Power Case for iPhone 7 (2016) (4.7 inch) Extra Battery (iPhone7)
Awinner Battery Case for iPhone 8/7 Ultra Slim Extended Battery Power Case for iPhone 8/7 (2016) (4.7 inch) Extra Battery (iPhone7) - B01MAX5KTW