Xiaomi MI Hair Clipper User Manual page 3

WARNINGS
This appliance contains built-in lithium-ion battery.
Do not disassemble, impact, crush the battery or throw it into fire.
If there is severe swelling, do not continue to use.
Do not leave the battery in high temperature environment.
For the purposes of recharging the battery, only use the detachable supply unit
provided with this appliance.
Use only with <A520-050100U-EU1> supply unit.
This appliance contains batteries that are non-replaceable.
The appliance is intended for trimming purposes only.
Cutting blades may become hot after prolonged use.
CAUTIONS
If the battery has leaked and you accidentally touch it, rinse the area with plenty
of water and seek medical attention immediately.
Suitable for cleaning under an open water tap.