Apple typically offers good battery life with its devices be it iPhone, iPad, Mac, Apple Watch models, or others. However, in the past, Apple has been accused of intentionally slowing down iPhone models with ageing batteries, and it recently paid $113 million (roughly Rs. 819 crores) to settle the BatteryGate case. While Apple believes this was to preserve battery health over long term use, it has since then introduced battery and performance management features to users, apart from sharing tips and recommendations to maintain battery health. Some of the general practices that Apple recommends include updating to the latest software, avoiding high ambient temperatures, removing certain cases while charging, and storing devices in a half-charged state when storing them over long periods of time.
You can also preserve your battery life by adjusting your screen brightness and using a Wi-Fi connection wherever possible. You can either dim your iPhone's screen brightness or turn on auto brightness.
iPhone users can also enable low power mode when it starts to get low. If the battery drops to 20 percent, you will get a notification and Low Power Mode can be turned on with one tap. To manually turn on Low Power Mode:
Users can view their iPhone battery usage information by going to battery settings (Settings > Battery). To conserve battery, iPhone users can also turn off settings like Background App Refresh and location services. Here's how:
Prevent apps from refreshing in the background.
Turn off location services for apps