Any phone consumes more power when WiFi, Bluetooth, GPS, background applications, etc. are left on. Windows phone allows you to turn off all these and save battery whenever the battery drops below a threshold.
- Navigate to settings.
- Tap on “battery saver”.
- Switch on battery saver.
- Tap on “advanced”.
- Select the option “When battery is low”.
All the above said services will be turned off when your battery gets low and will be turned on when your battery is recharged to normal.