Charge The Batteries - Otto Bock Xeno Service Manual

The standard version of the Xeno power wheelchair is equipped with two 12 V lead-acid batter-
ies with a capacity of 60 Ah (alternatively 80 Ah). During the charging process, the water-acid
mixture rapidly turns into gas. As an option the Xeno power wheelchair may be equipped with
two gel batteries with a capacity of 63 Ah (alternatively 73 Ah).

6.3.1 Charge the batteries

WARNING
Risk of injury due to incorrect charging profile adjustment. When switching from wet cell to gel bat-
teries, changing the charging profile on the charger is mandatory (see notice on the charger).
WARNING
Risk of injury due to explosive gases. Explosive gases can develop while the batteries are charging.
The following safety instructions must be followed under all circumstances:
• Ensure sufficient ventilation when charging the batteries in closed rooms.
• Smoking and fire are not permitted.
• Sparks must be avoided.
• Do not cover the air vents in the trim.
WARNING
Explosion hazard due to sparks. Always switch off the battery charger and remove the mains plug
before disconnecting the battery.
NOTICE
Risk of battery damage. Ensure correct polarity is used when connecting the battery charger to the
batteries.
NOTICE
Risk of damage due to incorrect battery handling. Please note the following when handling the bat-
teries:
• Charge the batteries immediately if the bar at the bottom of the battery indicator is flashing.
• Do not charge in the green range.
• During extended periods of disuse, charge the batteries of the Xeno power wheelchair weekly.
• Otto Bock assumes no liability for damage caused by deep discharge.
NOTICE
Risk of damage to the battery charger/risk of damage caused by the battery charger. Please note
the following when using the charger:
• Only use a battery charger supplied by Otto Bock which has been tested and approved for the re-
spective batteries by Otto Bock (observe information on the charger). Failure to do so can result in
a battery explosion and possible impairment of health due to contact with battery acid.
• The information on the nameplate of the charger must match the country-specific voltage of the re-
spective power supply network.
• Only use the battery charger within the specified ranges of temperature and humidity.
• Place the rubber feet of the battery charger on a level surface.
• When setting the charger up close to a window, protect it against direct sunlight.
• Only use the battery charger within the specified ranges of temperature and humidity.
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