NGM echo Guía Rápida página 25

Charging the battery: Charge the battery before starting to use
the device. Connect the charger to a provided wall socket adaptor
and then plug the jack into the charging base or insert it directly
into its connector on the lower side of the phone. The charging
base can also be connected to a micro USB cable to charge your
phone. When the battery is charging, an animated icon on the
screen shows the charging progress. Once the battery icon is
filled, it is fully charged and the phone can be disconnected from
the grid or from the charging base.
Warning: To preserve the functionality of the product and the integrity of
the warranty, we recommend the use of original NGM chargers. Please
charge the battery indoors, in a dry and favorable environment. It's
normal for the battery to get slightly warm during the charging process.
The battery will reach its full capacity when cycled several times.
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