Battery Drains on Aeroplane Mode

Created at: 2021-04-06 22:04:17
Questioner General

My battery was charged up to 100% before I went to bed and then I put it on aeroplane mode. When I woke it was drained down to 48%. My battery life is quite decent at 82%. Why did this happen?

Answer #1:

By: Mr. Murray Witting

My battery was charged up to 100% before I went to bed and then I put it on aeroplane mode. When I woke it was drained down to 48%. My battery life is quite decent at 82%. Why did this happen?

Answer #2:

By: Dennis Hagenes

Hey ngiannakakis86,



Battery life is important, so it's understandable that you'd reach out. We're glad to help! First, you'll want to ensure that you have the latest software version installed as this can help with battery life. If updates are needed, be sure to back up first:



How to back up your iPhone, iPad, and iPod touch

Update your iPhone, iPad, or iPod touch

Update apps or use automatic downloads



After updating, check battery suggestions and implement those suggestions, as long as they suit your needs. To see the suggestions tap Settings > Battery. You may see items such as reducing the brightness, and turning on Auto-Lock. More tips on increasing battery life can be found here too: Maximizing Battery Life and Lifespan



Another good idea is to check the battery usage to see how apps are using the battery, and if any steps can be taken to help. More details can be found here: About the battery usage on your iPhone, iPad, and iPod touch



You mention that your battery health is at 82%. It is getting close to needing to be serviced as it is chemically aging, and you will possibly start to notice other performance related issues. Information on how batteries chemically age, and how to prevented unexpected shutdowns can be found here: iPhone Battery and Performance



You may also benefit from Optimized Battery Charging and Low Power Mode. More details can be found in the following guides:



About Optimized Battery Charging on your iPhone

Use Low Power Mode to save battery life on your iPhone



After updating and implementing those tips to maximize performance, fully charge your iPhone, then use it normally to see if you notice an improvement.



Keep us posted!



Take care.