Apple og 20w charger power distribution

I am using ipad air 5 , got 20w charger with ipad . I want to clear a situation, my ipad has 30% charge i am using an app which consumes 5w of power. When it is not connected to charger the battery is supplies the 5w power. But at that instant i plugged in the 20w og apple charger . So after plugged in, from where then running app will consume power ? From the charger directly or from the charger via the battery ? The battery will charge slowly as it is charging with 15w power as load is 5w or the battery would change with 20w power but for load battery will drain 5w power simultaneously? Please clear the confusion. And what damage the battery health mostly. 1. Always battery is 100% charged (greater 80%) or increase in the cycle count for battery usuage. I want to use my ipad for long time almost for 10 years . If anyone suggest me something about battery care please do. Thank you.

iPad Air, iPadOS 17

Posted on Nov 14, 2023 7:49 PM

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Nov 15, 2023 4:23 AM in response to n8arpan

While connected to an appropriate Power Adapter, such as the 20W USB-C unit with which it was supplied, your iPad will be powered exclusively from the Power Adapter. The iPad will only draw the power it needs to run - or to replenish the battery if it needs additional charge.


Your iPad will suffer no ill effects through being connected to its Power Adapter for extended periods. Your iPad will automatically regulate and optimise charging - and will not overcharge the battery. 


When used in kiosk applications - where external power is connected for extended periods of time - the iPad may modify its charging strategy and limit battery charge to ~80% of maximum. This modified charging strategy is designed to reduce chemical ageing that might otherwise occur if 100% charge is maintained at all times.


Nominal 100% charging will be restored when a normal charge/discharge routine is restored.


More information about iPad’s battery management can be found here:

About iPad and iPhone Charge Management Feature – Apple Support

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Apple og 20w charger power distribution

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