As far as the author is concerned, the iPhone series has no obvious injury except that the battery is not big enough. Although there are many power supply protection cases on the market for this disadvantage, they have no features and can only add a little power. And this iKit NuCharge can change the battery of your iPhone 5! Strictly speaking, this NuCharge is a protection package that can be combined at will. It contains a 19001900mAh battery, and is equipped with a bracket and a replaceable shell. NuCharge has also passed the Apple MFi certification. In actual use, NuCharge mobile power supplies power for iPhone through wire link. Although it may be troublesome, this design allows users to directly use various interfaces of iPhone. If you only use the protective shell function, there are 7 colors you can choose to replace, and there are 3 colors you can choose for the mobile power function. The overall price of this NuCharge is only $59, which can be regarded as a very affordable price