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relay transmitters and such switching also significantly
affects the battery life.
After multiple charges and discharges, the battery
eventually and naturally will lose its ability to hold a
charge. Please get a new battery if you notice a significant
dro
p in the battery’s performance.
Use only batteries recommended by the Manufacturer.
Never leave the charger on longer than 2-3 days.
Do not keep the phone in excessively hot places. High
temperatures might negatively impact both the battery and
the phone.
Do not use a battery that is clearly damaged. Doing so
might cause a short circuit, and might damage your phone.
Make sure to install the battery in accordance with
polarization.
Leaving the battery in excessively hot or cold places will
reduce the battery life. The recommended storage
temperature range is between 15°C and 25°C. Installing a
cold battery into your phone might cause the phone to
malfunction and might damage the phone.
There is a Li-ion battery included in the set.
Old batteries pose environmental risk. They
should be disposed of at a special place in a
special container in compliance with current
regulations. Never throw old batteries or
chargers to municipal solid waste, they should be collected
for disposal
Summary of Contents for MM721
Page 1: ...User Manual GSM Mobile Telephone Maxcom MM721...
Page 2: ......
Page 65: ...65 22 Declaration of Conformity...
Page 66: ......