Karma KP-31.2, User Manual

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13. Electric system
This section specifies battery handling for the occupant and assistant.
13.1 Batteries
The wheelchair has two serial connected 12-volt maintenance free batteries
for the power supply. The capacity of the batteries can be 50 Amps.
The batteries are fitted in the center of the chassis to arrange a low center
point of gravity. Both batteries are easy accessible for maintenance or
replacement.
Be careful when using metal objects close to the batteries. A short circuit
might easily create strong sparks and can cause a fire. Should you need to
work on the batteries, use isolated tools and wear protective gear on
hands and eyes.
Batteries are chemical components and shall be treated as such. In case
of removal, one shall treat the batteries as chemical waste. The batteries
need to be disposed according to the local regulations for chemical waste.
Warning not to operate the wheelchair if it is behaving
abnormally or erratically.
Warning not to operate the wheelchair with depleted batteries,
since the occupant could be stranded.