There are several ways you can optimize your iPhone's battery life without compromising on performance:
Reduce screen brightness: A bright screen can consume a lot of battery power, so reducing the screen brightness can help extend your battery life. You can do this by swiping down from the top of the screen and adjusting the brightness slider.
Disable background app refresh: Some apps continue to run in the background and refresh their content even when you're not using them, which can drain your battery. You can disable background app refresh by going to Settings > General > Background App Refresh and turning it off for apps that you don't use frequently.
Turn off location services: GPS can also consume a lot of battery power, so turning off location services can help extend your battery life. You can do this by going to Settings > Privacy > Location Services and turning it off for apps that don't need it.
Use Low Power Mode: When your battery level is low, you can turn on Low Power Mode to reduce power consumption. This mode disables some features, such as email fetch, automatic downloads, and some visual effects, but it can help extend your battery life. You can turn on Low Power Mode by going to Settings > Battery and toggling it on.
Check battery usage: You can also check which apps are consuming the most battery power by going to Settings > Battery. If you find that a particular app is consuming a lot of power, you may want to limit its use or uninstall it.
Use Wi-Fi instead of cellular data: When you're using data, your iPhone's cellular radio is active, which can consume a lot of battery power. If possible, use Wi-Fi instead of cellular data to reduce power consumption.
Disable push email: If you have multiple email accounts set up on your iPhone, push email can consume a lot of battery power. You can disable push email by going to Settings > Passwords & Accounts > Fetch New Data and turning off Push.
Keep your iPhone cool: High temperatures can degrade battery life, so it's important to keep your iPhone cool. Avoid leaving it in direct sunlight or in a hot car, and consider using a case that allows heat to dissipate.
Update your iPhone's software: Apple often releases updates that improve battery life and performance, so make sure your iPhone's software is up to date. You can check for updates by going to Settings > General > Software Update.
By implementing these tips, you can significantly improve your iPhone's battery life without compromising on performance. However, it's important to keep in mind that battery life can vary depending on usage patterns and other factors, so it's always a good idea to monitor your battery usage and make adjustments as needed.