If you own an iPhone, you know that it can be a little frustrating when the battery dies suddenly. Luckily, there are a few ways to test your iPhone battery and figure out if it’s just low or if there is something wrong with it. The first thing you can do is try to charge your iPhone up overnight. If the battery still doesn’t hold a charge after being plugged in for 12 hours, then there might be something wrong with the battery itself. If you don’t have an overnight charger, you can also try using a power adapter that is specifically designed for iPhones. This will help to give your phone more juice and may indicate that the battery is just low. If neither of these methods work, then it might be time to take your iPhone in for repairs or replacement. A technician can check to see if there is anything wrong with the battery itself and may be able to replace it without any issues. ..