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17Jazzy 1143
VI. BATTERIES AND CHARGING
Figure 13. Onboard Battery Charger
CHARGER
Your Jazzy 1143 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 deep discharge. Though they are similar in appearance to automotive batteries, they are not inter-
changeable. Automotive batteries are not designed to handle a long, deep discharge and also are unsafe.
WARNING! Battery posts, terminals, and related accessories contain lead and lead compounds.
Wash hands after handling.
CHARGING YOUR BATTERIES
The battery charger is one of the most important parts of your Jazzy 1143. The battery charger is designed to
optimise your Jazzy 1143s performance by charging the batteries quickly and easily. The charging system consists
of the charger, a charger fuse, and the ammeter. The charger is located between the batteries. See figure 13. The
ammeter is located on the electronics connector housing for easy viewing. See figure 3. 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 lead is plugged into a wall
outlet.
WARNING! You must recharge your Jazzy 1143s batteries with the supplied onboard or off-board
charging system. Do not use an automotive-type battery charger!
To charge the batteries using the onboard charger:
1. Position the rear of your Jazzy 1143 close to a standard wall
outlet.
2. Be certain the controller power is turned off and the Jazzy is
not in freewheel.
3. Plug the charger lead into the charger connector on the con-
nector housing. See figure 3.
4. Extend the charger power lead and plug it into the wall outlet.
The Jazzy 1143 incorporates an inhibit function that disables
the power chair when the charger is plugged into a wall outlet.
5. 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 up to as high as 3.5 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 slowly drops
to zero. When the batteries are fully charged, the needle vibrates on or about the zero mark on the meter scale.
7. When your Jazzy 1143s batteries are fully charged, unplug the power lead from the wall outlet and from the
charger receptacle and store it in a safe place.