Huawei M660 Quick Start - Manual (Page 19)

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• Do not dispose of batteries in fire as they may explode. Batteries
may also explode if damaged.
• Do not modify or remanufacture, attempt to insert foreign objects
into the battery, immerse or expose to water or other liquids,
expose to fire, explosion or other hazard.
• Avoid dropping the device or battery. If the device or battery is
dropped, especially on a hard surface, and the user suspects
damage, take it to a qualified service center for inspection.
• Improper battery use may result in a fire, explosion or other
hazard.
• Promptly dispose of used batteries in accordance with local
regulations.
• The device should only be connected to products that bear the
USB-IF logo or have completed the USB-IF compliance
program.
• Only use the battery with a charging system that has been
qualified with the system per this standard, IEEE-Std-1725-
2006. Use of an unqualified battery or charger may present a risk
of fire, explosion, leakage, or other hazard.
• Replace the battery only with another battery that has been
qualified with the system per this standard, IEEE-Std-1725-
2006. Use of an unqualified battery may present a risk of fire,
explosion, leakage or other hazard.
Cleaning and Maintenance
• The device, battery, and charger are not water-resistant. Keep
them dry. Protect the device, battery, and charger from water or
vapor. Do not touch the device or the charger with a wet hand.
Otherwise, it may lead to a short circuit, a malfunction of the
device, and an electric shock to the user.
• Do not place your device, battery, and charger in places where
they can get damaged because of collision. Otherwise, it may