Medela Invia Liberty Mode D'emploi page 15

If the battery becomes fully discharged (empty), please follow the
instructions below.
Open the electrical outlet port. Connect the Invia Liberty pump to
the supplied electrical plug from the power supply provided with
the pump. Plug the other end of the power supply into a wall out-
let. Moving bars on the battery display will indicate charging is
occurring.
The battery is fully charged after approximately 4 hours. Once
battery is fully charged and continues to be connected to the
power source
charging is completed, unplug the power supply from the wall and
disconnect the Invia Liberty pump from the power supply.
Close the electrical outlet port by pressing the protection cover
down.
CAUTION
NPWT therapy must be continued while charging
the pump's battery. Do not turn the pump off while charging.
Always charge the battery overnight.
Electrical outlet port
will appear constantly on the display. After
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