Huawei H891L Quick Start Manual page 22

•
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.
•
The device has a built-in, non-removable battery. Do not
attempt to remove the battery, otherwise the device may
be damaged. To replace the battery, take the device to
an authorized service center.
•
Use the battery only with a charging system that is IEEE-
Std-1725 standard qualified. The use of an unqualified
battery or charger may lead to fire, explosion, leakage, or
other hazards.
•
Replace the battery only with an IEEE-Std-1725 standard
qualified battery. The use of an unqualified battery may
lead to fire, explosion, leakage, or other hazards.
•
Do not disassemble or open, crush, bend or deform,
puncture or shred the battery. Otherwise, it may lead to
electrolyte leakage, overheating, fire, or explosion.
•
Do not solder battery poles or dismantle the battery.
Doing so may lead to electrolyte leakage, excessive heat,
fire, or explosion.