The cost to replace an iPhone battery at an Apple Store or authorized service provider typically starts at £65 for an iPhone 7, which we charge £30 for. They also don't appear to support older phones than that, whereas we do with an iPhone 5 battery for £25

Yes, replacing an iPhone battery is a good idea if your current battery is degraded. It can significantly improve the device's performance and battery life, making it more reliable and extending its usability.

In the UK, the cost of replacing an iPhone battery through Apple starts at £65 for an iPhone 7, but it can be higher for newer models. Prices may vary slightly depending on the specific iPhone model.

A battery health of 76% indicates that the battery has significantly degraded and may not hold a charge as well as it used to. While the phone can still function, it is advisable to replace the battery to ensure optimal performance and longer battery life.

While it's technically possible to replace your iPhone battery on your own, it is not recommended unless you have experience with phone repairs. DIY replacements can be challenging and may void your warranty or cause damage if not done correctly.

No, replacing the battery does not affect the data on your iPhone. However, it's always a good idea to back up your data before any repair to avoid potential data loss.

Sudden battery drain can be caused by software updates, background app activity, location services, or a degraded battery. Identifying and addressing these issues can help improve battery life.

To stop your iPhone battery from draining quickly, you can reduce screen brightness, turn off background app refresh, disable location services, and update to the latest software. Additionally, checking for apps that consume a lot of power and managing their usage can help.

Rapid battery drain can occur due to background processes, software glitches, or apps running continuously. Restarting your phone, updating software, and checking battery usage in settings can help identify and mitigate the cause.

Factors that can kill your iPhone battery include high screen brightness, background app refresh, location services, push notifications, outdated software, keeping your phone on charge when it's already fully charged and having it in very warm places like direct sunlight - Identifying and managing these factors can help extend battery life.

To preserve battery health, avoid exposing your iPhone to extreme temperatures, charge it using quality chargers, avoid full discharges, and keep your software updated.

Battery health can be degraded by high temperatures, frequent full discharges, excessive fast charging, and using unauthorized charging accessories.

You can check battery health by going to Settings > Battery > Battery Health. This section provides information on the maximum capacity and peak performance capability of your battery. However if your battery has previously been changes you will not have access to this data as Apple has stopped access to unauthorized battery repairs getting the data.

There is no way to reset the battery health indicator on an iPhone. The indicator is based on the actual capacity and performance of the battery. If you are experiencing issues, a battery replacement might be necessary.

Rapid decline in battery health can be caused by excessive charging cycles, exposure to extreme temperatures, using incompatible chargers, and heavy usage patterns. Ensuring proper charging habits and usage can help slow down the degradation process.