Huawei Mate 8 - Manual (Page 18)

• Keep the battery away from excessive heat and direct sunlight. Do
not place it on or in heating devices, such as microwave ovens,
stoves, or radiators. Batteries may explode if overheated.
• Do not attempt to modify or remanufacture the battery, insert
foreign objects into it, or immerse or expose it to water or other
liquids. Doing so may lead to fire, explosion, or other hazards.
• If the battery leaks, ensure that the electrolyte does not make
direct contact with your skins or eyes. If the electrolyte touches
your skins or splashes into your eyes, immediately flush with clean
water and consult a doctor.
• In case of battery deformation, color change, or overheating
while charging or storing, immediately stop using the device and
remove the battery. Continued use may lead to battery leakage,
fire, or explosion.
• Do not put batteries in fire as they may explode. Damaged
batteries may also explode.
• Dispose of used batteries in accordance with local regulations.
Improper battery use may lead to fire, explosion, or other
hazards.
• Do not allow children or pets to bite or suck the battery. Doing so
may result in damage or explosion.
• Do not smash or pierce the battery, or expose it to high external
pressure. Doing so may lead to a short circuit or overheating.
• Do not drop the device or battery. If the device or battery is
dropped, especially on a hard surface, it may be damaged.
• If the device standby time shortens significantly, replace the
battery.