LG G5 SE Guia Del Usuario página 191

This device is supplied with the battery inserted. When using the device
for the first time, check the battery level and fully charge the battery
before using the device if necessary.
Remove the charger from the power socket after the device is fully
charged. This prevents unnecessary power consumption.
Another way to charge the battery is by connecting a USB cable
between the device and a desktop or laptop computer. This may take a
longer time than charging the battery in the common way.
Do not charge the battery by using a USB hub that is unable to
maintain the rated voltage. Charging may fail or unintentionally stop.
Using the battery efficiently
Battery lifespan may decrease if you keep many apps and functions
running simultaneously and continuously.
Cancel background operations to increase battery life.
To minimise battery consumption, follow these tips:
Turn off the Bluetooth or Wi-Fi network function when not using
them.
Set the screen timeout to as short a time as possible.
Minimise the screen brightness.
Set a screen lock when the device is not used.
To use a downloaded app, check the battery level.
Basic Functions 45