NGM tango Guide Rapide page 29

Charging the battery
Charge the battery before starting to use the device. Connect the
charger to a wall socket and then insert the micro-USB plug of the
cable into the appropriate micro USB port on the bottom side of
the phone. A animation on the screen will indicate that the
progress of the charging process and a pop-up will indicate that
charging is complete and the device may be disconnected safely
from the grid.
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. charge the battery indoors, in a dry and favorable environment. It's It's
normal for the battery to get slightly warm during the charging process. normal for the battery to get slightly warm during the charging process. normal for the battery to get slightly warm during the charging process.
The battery will reach its full capacity when cycled several times. The battery will reach its full capacity when cycled several times. The battery will reach its full capacity when cycled several times.
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