Maxcom MM428, User Manual

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19. Battery Information
There is a battery in the phone. The battery can be
recharged with a charger that is included in the set.
The battery life depends on different conditions
under which the phone is used.
The battery life depends on conditions in which your
phone is used. Your distance from a relay
transmitter, number and the length of phone calls
significantly reduce the battery life. While moving,
the phone switches between relay transmitters and
such switching also significantly affects the battery
life.
After multiple charges and discharges, the battery
eventually 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. Do not 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.