MacRumors - Can't wait for an official iPhone 11 Pro Max smart battery case? Just hack up an XS Max one to fit. And it works! https://forums.macrumors.com/threads/images-of-new-smart-battery-cases-for- iphone-11-and-11-pro-found-in-ios-13-2.2207979/post ...
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The Surprising Hack That Makes Your iPhone Battery Last So Much Longer–Tech Experts Love This! - SHEfinds
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Make iOS Alert You When Your iPhone Only Has 5% Battery Life Remaining « iOS & iPhone :: Gadget Hacks
![DIY iPhone battery hack: install a massive external (laptop) battery that can last for weeks! - YouTube DIY iPhone battery hack: install a massive external (laptop) battery that can last for weeks! - YouTube](https://i.ytimg.com/vi/vpK-79YwpY8/sddefault.jpg)