Huawei M881 Quick Start - Manual (Page 17)

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• Do not drop or cause an impact to the charger.
• If the power cable is damaged (for example, the cord is exposed
or broken), or the plug loosens, stop using it at once. Continued
use may lead to electric shocks, short circuits, or fire.
• Do not touch the power cord with wet hands or pull the power
cord to disconnect the charger.
• Do not touch the device or the charger with wet hands. Doing so
may lead to short circuits, malfunctions, or electric shocks.
• If your charger has been exposed to water, other liquids, or
excessive moisture, take it to an authorized service center for
inspection.
• Ensure that the charger meets the requirements of Clause 2.5 in
IEC60950-1/EN60950-1 and has been tested and approved
according to national or local standards.
• Connect the device only to products with the USB-IF logo or with
USB-IF compliance program completion.
Battery safety
• Do not connect battery poles with conductors, such as keys,
jewelry, or other metal materials. Doing so may short-circuit the
battery and cause injuries or burns.
• 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