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VIII. BATTERIES AND CHARGING
To charge the batteries using the onboard charger:
1. Position the rear of your power chair close to a standard electrical outlet.
2. Be certain the controller power is turned off and the freewheel levers are in the engaged position. See III. “Your Power
Chair.”
3. Plug the charger power cord into the charger power cord receptacle on the power base, then into the electrical outlet.
NOTE: The power chair incorporates an inhibit function that disables the power chair when the charger is
plugged into an electrical outlet.
4. We recommend you charge the batteries for 8 to 14 hours. As the batteries charge, the ammeter needle slowly drops
to 0.
NOTE: The ammeter indicates how much charge is needed to fully charge the batteries. As the batteries
charge, the ammeter needle slowly drops to 0. When the batteries are fully charged, the needle vibrates on or
about the 0 mark on the ammeter.
5. When your power chair’s batteries are fully charged, disconnect the charger power cord, wind up the cord, and store
it in a safe place.
Off-board Charger
Your power chair may be equipped with an off-board charger. Typically, off-board chargers plug into the controller. If your
power chair is equipped with an off-board charger, refer to the instructions that come with the charger.
Battery Break-in
To break in new batteries for maximum efficiency:
1. Fully recharge any new battery prior to initial use. This will bring the battery up to about 90% of its peak performance
level.
2. Operate the power chair about the house and yard. Move slowly at first, and do not travel too far until you become
accustomed to the controls and break in the batteries.
3. Give the batteries another full charge of 8 to 14 hours and operate the power chair again. The batteries should now
perform at over 90% of their potential.
4. After four or five charging cycles, the batteries will top off at 100% charge and last for an extended period.
Frequently Asked Questions (FAQs)
How does the charger work?
The battery charger takes the standard electrical outlet voltage of 120VAC (alternating current) and converts it to 28VDC
(direct current). When the battery voltage is low, the charger works harder to charge the batteries. As the battery voltage
approaches a full charge, the charger doesn’t work as hard to complete the charging cycle. When the batteries are fully
charged, the amperage from the charger is nearly zero. This is how the charger maintains a charge but does not overcharge
the battery. The charger supplied with your power chair will not be able to charge your batteries after the batteries have
been discharged to nearly zero voltage. If this happens, call your authorized Pride Provider for assistance.