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That’s a great question, if you can use the phone as it’s plugged into an outlet with the cord and it’s usable like that. Then it’s very possible if if you have a full charged case and it’s on the device you use then it would stay on. As long as the case is charged or charging. But if the phone doesn’t turn on at all with it being plugged in to an outlet before hand. Then I wouldn’t risk buying it. But you could also try and see. Then return if results aren’t what you’ve wanted. Hope this helps
Sorry, there was a problem. Please try again later.It will make it much better and more convenient, it’s like having a double charge. My phone was not holding a charge and this case helped to hold it during the day. The only thing I don’t like about this case if you drop your phone and there is a small chip ...or dent ...a tiny crack or something of this nature on it .,. this chip area will eventually going to start chipping away... it’s going to take a long time but eventually you will have to change your case. Happened to me few times and even then it holds up pretty good for a year or two with chipping cracks and charge works perfectly no matter what.
Sorry, there was a problem. Please try again later.Yes the apple battery case I have the iphone 7 and this works beautifully. You charge it overnight and it gives you two 100 percent battery charge for several days. I usually charge my phone every night but with the battery case you don't always have to. This battery case went on sale b/c the iphone 7 is an older phone but hey if your phone still works good there is no need to upgrade to another model just keep using until it stops working. My motto if it isn't broken then don't try to fix it. Get your monies worth and use it until it won't work anymore.
Sorry, there was a problem. Please try again later.It provides a back up power source. I cannot tell you if it will provide power when the built-in battery is failing. Sorry! That might be something to experiment with. Or check with Apple about the cost of a new battery.
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