C90 User manual
11
Only use the battery with a charging system that has been qualified with the system per
this standard. Use of an unqualified battery or charger may present a risk of fire,
explosion, leakage, or other hazard.
Do not disassemble or open, crush, bend or deform, puncture, or shred.
Do not short circuit a battery or allow metallic or conductive objects to contact the battery
terminals.
Promptly dispose of used batteries in accordance with local regulations.
Improper battery use may result in a fire, explosion, or other hazard.
Do not put a battery into a microwave oven, dryer or high-pressure container.
Do not contact battery directly into an electric outlet or cigarette lighter charger. Use only
authorized chargers.
Do not puncture the battery with a sharp object such as a needle.
When the battery is disposed, be sure it is non-conducting by applying vinyl tape to the (+)
and (-) terminals.
Do not drop, throw, or subject the handset to rough treatment.
Stop using the battery if abnormal heat, odor, discoloration, deformation, or abnormal
condition is detected during use, charge or storage.
Do not use with a damaged or deformed battery.
Do not solder the battery directly.
Remove the battery whose life cycle has expired from equipment immediately.
The earpiece may become warm during normal use. Also, the handset itself may
become warm while the battery is being charged.
When a handset is in vibration mode, the vibration may cause the handset to move.
Be careful not to place the handset near heat sources (such as a heater).
