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Jet 3/Rev I/Feb03 www.pridemobility.com 27
VII. BATTERIES AND CHARGING
To charge the batteries using the onboard charger:
1. Position the rear of your Jet 3 close to a standard wall outlet.
2. Be certain the controller power is turned off and the Jet 3 is not in freewheel mode.
3. Plug the charger cord into the receptacle on the connector housing.
4. Extend the charger power cord and plug it into the wall outlet. The Jet 3 incorporates an inhibit function that
disables the power chair when the charger is plugged into a wall outlet.
5. The ammeter will indicate how much charge is needed to fully charge the batteries. Wait about a minute for the
charger to warm up. The ammeter may move up to as high as 4 amps, then gradually move back down to 0
amps as it charges.
6. We recommend you charge the batteries for 8 to 14 hours. As the batteries charge, the ammeter needle will
slowly drop to the zero mark. When the batteries are fully charged, the needle will vibrate on or about the zero
mark on the meter scale.
7. When your Jet 3 batteries are fully charged, unplug the power cord from the wall outlet and from the charger
receptacle and store the cord in a safe place.
EXTERNAL CHARGER
Your Jet 3 may be equipped with an external charger. Typically, external chargers plug into the joystick controller.
If your Jet 3 is equipped with an external charger, refer to the instructions that come with the charger.
BATTERY BREAK-IN
To break in your Jet 3s new batteries for maximum efficiency:
1. Fully recharge any new battery prior to its initial use. This will bring the battery up to about 90% of its peak
performance.
2. Run your Jet 3 about the house. Move slowly at first and dont stray too far until you grow accustomed to the
controls and break-in the batteries.
3. Give the batteries another full charge of 8 to 14 hours and run the Jet 3 again. The batteries will 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.
How does the charger work?
The battery charger takes the standard wall outlet voltage (alternating current) and converts it to VDC (direct
current). The Jet 3 batteries use direct current to run your power chair. When the battery voltage is low, the charger
works harder to charge the batteries. This is why the charging ammeter initially reads 3.5 or more amps. As the
battery voltage approaches full a charge, the charger doesnt work as hard to complete the charging cycle. This
explains why the charging ammeter drops as it approaches a full charge. When the batteries are fully charged, the
amperage from the charger is almost at zero. This is how the charger maintains a charge but does not overcharge
the battery. Your Jet 3s charger will not operate after the batteries have been discharged to nearly zero voltage. If
this happens, call your authorized Pride provider for assistance.
Can I use a different battery charger?
You should use the charger supplied with the Jet 3. It is the safest, most efficient way to charge the batteries. We do
not recommend using other types of chargers (e.g., an automotive battery charger).