Karma EvO Lectus, User Manual

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If the maintenance free batteries are fully charged, all ten LED's on the top bar
light up. The more energy is used the more LED extinguish, starting on the
right side.
If only the red LED are still on, it indicates that recharging of the maintenance
free batteries is required.
If only two red LED's are flashing, it indicates that the maintenance free
batteries are empty and should be charged immediately.
18.2 charging socket
The charger socket can be found on the front side of the joystick module. If the
wheelchair has an integrated desktop control, the charger socket will be on the
side of the joystick module.
If the battery indicator shows only two segments in flashing, you should
charge the batteries as soon as possible. This flashing is a warning signal.
You are still able to drive the wheelchair but only for a short distance. If the
batteries reach a level where they cannot supply enough energy to control
the wheelchair is a save way. The wheelchair will stop and give an error
warning saying “low battery voltage”
If the batteries should be drained completely, it is important that you
charge them up again as soon as possible since a complete loss of charge
reduces the lifespan of the batteries.
Information about the charger which is supplied with the wheelchair can be
found in the user manual of the charger itself. You can find the charger
user manual in the tool bag which comes with the wheelchair.
Some local dealers supply the wheelchair with their own brand of batteries
and battery charger. For information about these batteries and charger,
you should ask your local authorized supplier.