I pad A16 battery health.

"Battery health" is influenced by many factors. Generally, you might anticipate seeing a 1% reduction in reported battery health for each 50 full recharge cycles - although this is not a hard-and-fast rule. Due to manufacturing variations between individual batteries, some may appear to see a greater or reduced change in their early life.

An iPad battery is nominally rated to retain 80% of its original capacity (when new) after 1000 full recharge cycles. Any combination of charging that together sums to 100% equates to one full charge cycle (e.g., 50% + 20% + 20% + 10% = 100% = 1 full charge cycle). As such, reducing the number of times that the iPad is recharged will slow the rate that the iPad's battery health will decline due to recharging.

Many other factors can influence overall battery health. High ambient temperatures can permanently reduce the battery's ability to retain full charge - as can maintaining the battery at 100% charge for very long periods of time that leads to chemical aging of the battery. Limiting the battery charge to ~80% of maximum is intended to reduce the chemical aging effect.

Information about iPad’s battery management can be found here:

About iPad and iPhone Charge Management Feature – Apple Support

If you have any concerns for your iPad or its Battery Health you would be well advised to seek assistance directly from Apple Support - and request a remote diagnostic test of your iPad. You can contact the Support Team using the Support link at top-right or bottom-left of this page.

Alternatively, you can initiate and manage your support cases from Apple devices using the excellent Apple Support App. If not already installed, the App can be downloaded from the App Store:

https://apps.apple.com/app/apple-support/id1130498044

You might also visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) - where the technicians will be able to hands-on test and assess your iPad. If an issue is identified, you'll be in the best possible place to explore your available options:

Genius Bar Reservation and Apple Support Options - Apple

See, this is a confusing distinction. Every iPad model is packed with great battery life! A 3% battery drop is normal and not normal both. It depends on ur charging. If u r charging it too much every hour, the li-ion battery is bound to degrade over long hours of charging and also too many “drop to 0%s”. You should plug it out when it is 80% and plug it in when it is 20%, this keeps ur battery life balanced and it is bound to last longer.

Welcome and thank you for reaching out. 🤗

According to Apple: If you notice that your battery life has decreased after updating your device, wait a few days and then check again. Even though you can use your device immediately after an update, certain tasks related to the update continue in the background and might affect battery life and thermal performance. While they're ongoing, you might see the Insight Ongoing iOS Update in Settings ➢ Battery.

• Learn why → the battery in your iPad drains too quickly for details.
• Learn how to update your iPad to the latest version of iPadOS.
• Learn what to do If your iPad won’t update for step-by-step instructions.

Need more help?

• United States: 1-800-APLCARE.
• Contact Support.
• iPad Support.
• iPad User Guide.

Good luck! 👋🏼😉

Smiliñ 😎 Brian | Community Volunteer