5.3 Handling batteries
The device is equipped with an internal battery which supplies the therapy device with
power in an emergency.
The therapy device can also be equipped with a replaceable battery available as an
accessory.
5.3.1 Charging batteries
The batteries are charged automatically as soon as the therapy device is connected to the
electricity supply. The therapy device always charges the internal battery first, followed by
the replaceable battery (if present).
Notes
• Run from the mains for at least 12 hours prior to using the battery for the first
time.
• The batteries have no memory effect. This means you can charge the batteries
even if they are not empty.
• In typical use, the batteries have a service life of at least 600 charge/discharge
cycles. The batteries must be replaced in accordance with the intervals listed in
Section 9. on page 95. If the life of the batteries is exhausted before that, the
message Service life ended. Have internal battery replaced/Have
replaceable battery replaced appears in the display.
• Note the instructions on battery care (see “9.2.1 Care of batteries” on page 96).
1. Connect device to the power supply.
The charging process starts automatically.
2. If the display is no longer flashing and/or the display is showing 100 % capacity, the
relevant battery has been charged.
If you have a replaceable battery, you can now disconnect the device from the
electricity supply for mobile use.
5.3.2 Capacity/charge status display on device
When the device is switched on, you can read off the
capacity of the battery in the default display:
Symbol Meaning
Battery display green:
battery capacity over 25 %
Battery display orange:
battery capacity below 25 %
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