iPad Air 1

Problem Description	Symptoms	Solution	Source
Not charging, no power.		- If you have a tristar tester or lightning breakout board you should test that before attempting the following. - Test with a known good battery. - Replace charge port. - If the above didn’t help you likely have a dead tristar.	Source
No power.	- Pulls normal amperage. - Attempts to boot as soon as a battery is connected.	Common issue with the Air 1/2, will need to replace the PMIC replace.	Source