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Jet 10 Ultra/RevA/Apr04 www.pridemobility.com 27
VII. BATTERIES AND CHARGING
BATTERIES AND CHARGING
The Jet 10 Ultra uses two long-lasting, 12-volt, deep-cycle batteries. These batteries are sealed and maintenance free.
Since they are sealed, there is no need to check the electrolyte (fluid) level. Deep-cycle batteries are designed to handle a
longer and deeper discharge. Though they are similar in appearance to automotive batteries, they are not interchangeable.
Automotive batteries are not designed to handle a long, deep discharge, and also are unsafe for use in power chairs.
WARNING! Battery posts, terminals, and related accessories contain lead and lead compounds.
Wash hands after handling.
Charging the Batteries
The battery charger is essential in providing long life for your power chair batteries. It is designed to optimize your power
chairs performance by charging the batteries safely, quickly, and easily. The battery charging system consists of the
onboard battery charger, the charger circuit fuse, and the ammeter. The ammeter indicates the rate of charge necessary to
fully recharge the batteries. It is also a good indication of whether or not the charger is working. The ammeter and the
charger are only functional when the charger power cord is plugged into a wall outlet. The charging circuit has an ATO fuse
that protects the ammeter. See figure 6.
WARNING! You must recharge your power chairs batteries with the supplied onboard charger. Do
not use an automotive-type battery charger.
PROHIBITED! Removal of grounding prong can create electrical hazard. If necessary, properly
install an approved 3-pronged adapter to an electrical outlet having 2-pronged plug access. Failure
to heed could result in personal injury and/or property damage.
PROHIBITED! Never use an extension cord to plug in your battery charger. Plug the charger directly
into a properly wired standard wall outlet.
To charge the batteries using the onboard charger:
1. Position the rear of your power chair close to a standard wall outlet.
2. Be certain the controller power is turned off and the freewheel levers are in the engaged position. See IV. The Jet 10 Ultra.
3. Plug the onboard AC power cord into the onboard AC power cord receptacle on the power base, then into the wall outlet. The
power chair incorporates an inhibit function that disables the power chair when the charger is plugged into a wall outlet.
4. The ammeter indicates how much charge is needed to fully charge the batteries. Wait about a minute for the charger to warm up.
The ammeter may move as high as 5.5 amps, then gradually move back down to 0 amps as the batteries charge.
5. We recommend you charge the batteries for 8 to 14 hours. 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.
6. When your power chairs batteries are fully charged, disconnect the onboard AC power cord, wind up the cord and store it in a safe
place.
To charge the batteries using the optional off-board charger:
1. Position your power chair next to a standard wall outlet.
2. Be certain the controller power is turned off.
3. Plug the off-board charger into the off-board charger socket on the controller. See VIII. Operation.
4. Plug the off-board charger into the wall outlet.
5. If it is a Pride off-board charger, then there are two lights in it. The red light indicates that power to the off-board charger is on. The
green light indicates that the batteries are fully charged. If it is not a Pride off-board charger, then follow the instructions supplied by
the manufacturer.
6. When the batteries are fully charged, unplug the off-board charger from the wall outlet and then from the controller.