![Why does my iPhone 5s battery suddenly drop from 43% to 20% and then 10% suddenly? Is this battery to be replaced or is there something other malfunctioning? - Quora Why does my iPhone 5s battery suddenly drop from 43% to 20% and then 10% suddenly? Is this battery to be replaced or is there something other malfunctioning? - Quora](https://qph.cf2.quoracdn.net/main-qimg-293de9e9255018813f9c7170566ee338.webp)
Why does my iPhone 5s battery suddenly drop from 43% to 20% and then 10% suddenly? Is this battery to be replaced or is there something other malfunctioning? - Quora
![Make iOS Alert You When Your iPhone Only Has 5% Battery Life Remaining « iOS & iPhone :: Gadget Hacks Make iOS Alert You When Your iPhone Only Has 5% Battery Life Remaining « iOS & iPhone :: Gadget Hacks](https://img.gadgethacks.com/img/45/20/63751497039216/0/make-ios-alert-you-when-your-iphone-only-has-5-battery-life-remaining.w1456.jpg)
Make iOS Alert You When Your iPhone Only Has 5% Battery Life Remaining « iOS & iPhone :: Gadget Hacks
![Make iOS Alert You When Your iPhone Only Has 5% Battery Life Remaining « iOS & iPhone :: Gadget Hacks Make iOS Alert You When Your iPhone Only Has 5% Battery Life Remaining « iOS & iPhone :: Gadget Hacks](https://img.gadgethacks.com/img/52/21/63751502010713/0/make-ios-alert-you-when-your-iphone-only-has-5-battery-life-remaining.1280x600.jpg)