Huawei ETS8121 User Manual page 15

Battery
Use the battery approved by the manufacturer only. Otherwise,
explosion may occur.
Do not dispose of the battery in fire. Otherwise, the battery may ignite or
explode.
Do not connect two poles of the battery with conductors such as cables,
jewelries or any other metal material. Otherwise, the battery is
short-circuited and it may burn your body.
Do not disassemble the battery or solder the battery poles. Otherwise
fluid leakage, overheating, fire, or explosion may occur.
If there is battery leakage, smoke, or strange smell, stop using the
battery and keep it away from open flame to avoid fire or explosion.
Then turn to an authorized maintenance engineer for help.
If the battery fluid contacts your skin or cloth, wash with clean water
immediately to avoid irritation to the skin.
If the battery fluid gets into eyes, do not rub your eyes. Otherwise, your
eyes can be hurt. Wash with clean water and go to see a doctor
immediately.
If there is battery deformation, color change or abnormal heating while
you charge or store the battery, take it out immediately and stop using it.
Otherwise, battery leakage, overheating, explosion, or fire may occur.
When installing the battery, do not push the battery by force lest battery
fluid leak out or the battery crack.
Do not take out the battery when the cordless phone is turned on.
If you do not use the battery for a long time, store it in normal
temperature after charging.
Charger
Use the charger approved by the cordless phone manufacturer only.
Any violation of this rule may result in fire or malfunction of the charger.
The socket-outlet shall be installed near the equipment and shall be
easily accessible.
Do not short-circuit the charger. Short-circuiting the charger may cause
fire or malfunction of the charger.
If the power cord is damaged (for example, the lead is exposed or
broken), or the plug becomes loose, stop using the cable at once.
Otherwise, electric shock, short-circuit of the charger, or fire may occur.
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