ZTE Corporation X760 Manuale Utente

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Put the battery in a cool and ventilated place where there is no direct 
sunshine. 
The battery life is usually limited, and it becomes shorter and shorter 
after the battery is charged over and over again. If the charging fails 
several times, this indicates that the battery is worn out and the 
replacement is advised. 
Dispose the worn-out batteries in designated places according to 
specified regulations rather than throw them into residential garbage. 
Do not throw the worn-out batteries into fire because this might cause 
fire or explosion. 
Do not press with great force when installing the battery because this 
may result in leakage, overheating, explosion or fire. 
Do not disassemble or reassemble the battery because this may 
result in leakage, overheating, explosion or fire. 
If the battery becomes hot, changes in color or gets deformed during the 
course of use, charging or storage, please immediately stop using 
and replace it. 
Keep the battery away from dampness to prevent overheating, 
smoldering or erosion. 
Do not leave the battery in direct sunshine, around a car or 
high-temperature place because this might result in leakage or 
overheating. This might affect the battery’s performance and shorten 
its life. 
Do not keep charging the battery continuously over 24 hours.