AirSep FreeStyle 5 Patient Manual page 14

AirBelt does not need to be fully discharged before recharging. It is recommended to charge AirBelt after each use.
Lithium batteries may permanently lose capacity when exposed to extremely hot temperatures with the batteries fully
charged or completely depleted. For extended storage, it is recommended that batteries be charged 25 to 50% and remain
within a temperature range of 73° F (23° C) +/- 2°C.
MN166-1 rev A 11/12
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