Iphone 5 5s 5c Power Bank 12000 mAh External Battery Charger External Battery BATTERY spare battery with 5 adapters for the Road for iPhone 4S 5 and iPad (Black) (Electronics) 5
Iphone 5 5s 5c Power Bank 12000 mAh External Battery Charger External Battery BATTERY spare battery with 5 adapters for the Road for iPhone 4S 5 and iPad (Black) (Electronics)
So I do not know why other problems with the iPhone have but for me it has the iPhone 5s is working properly and you can even charge multiple devices at once, brilliant for traveling when the battery goes empty times.