User`s manual

BATTERIES AND MAINTENANCE
9
2
NOTE
Even if the storage temperature range is wider, In order to
achieve the longest battery life, store the terminal and the
spare batteries between 20 to 30 ºC (68 to 86 ºF).
The Batteries must be charged at a temperature ranging
from 0° to +40 °C (+32° to +104 °F).
NOTE
The battery level may not be displayed correctly for some
minutes after the disconnection if the Memor is
disconnected from power supply
before the charging cycle
is completed.
NOTE
The Memor
could get warm during charging, this is normal
and does not mean a malfunction.
NOTE
Use only a USB-IF compliant USB port as a charging
source.