Iphone 13 pro battery health 88 July 8, 2019 16 32 64 128 Iphone 13 pro max battery health 88 Iphone 13 battery health 88 Iphone 13 battery health 88 after 1 year Iphone 13 pro max 88 battery health price 88 percent battery health iphone 13 pro Iphone 13 pro battery mah Iphone 13 pro battery mah capacity Iphone 13 99 battery health