Skier's Choice 2008 Supra Launch 20, Owner'S Manual

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© 2008 Skier’s Choice, Inc. © 2008 Skier’s Choice, Inc.
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© 2008 Skier’s Choice, Inc. © 2008 Skier’s Choice, Inc.
Battery Box
The battery is mounted inside the observer’s seat storage compart -
ment. Location may vary slightly depending on the model.
NOTICE: It is recommended that the battery cables be discon-
nected from the battery when the boat is placed in storage.
Avoid damage or injury from battery acid. Ensure that the
battery is properly secured before using boat.
Dual Battery Option Hookup
The dual battery option is designed to give you extra bat -
tery power to run accessories, but at the same time give
you a safety feature not commonly found in a dual battery
setup. The Supra Dual battery option features a Voltage
Sensitive relay which always monitors the engine starting
battery so that your engine will always restart.
We recommend that the selector switch always be set
to “1”. In the “1” position, the Voltage Sensitive Relay
monitors the engine starting battery, which will ensure
that you have a fully charged battery to start your boat.
The “House” or “Accessory” battery may become drained
during a high discharge cycle since it does not get charged
until the Starting battery is fully charged.
In position “1” when the Sensed battery (engine starting
battery) reaches 13.7 volts, the relay closes and paral -
lels both batteries. When this happens the LED light on
Voltage Sensitive Relay comes on.
In position “2” the sensed battery is the accessory bat -
tery. We do not recommend using this position since it
can cause the starting battery to drain, which would not
allow the engine battery to have enough power to restart
your boat.
In position “both”, the batteries are paralleled and in a
high discharge cycle, both batteries can become drained,
which would not allow the engine battery to have enough
power to restart your boat.
NOTE: It is recommended that you fully recharge your
batteries using a battery charger periodically or after
a session of high discharge (lots of accessories run-
ning for an extended period).
NOTE: It is possible with this system for accessories
to shut down when the engine is running due to the
accessory battery draining down. This is a safety
feature. This system monitors the starting battery and
will sacrifice the accessory battery so that you are not
stranded on the water with a weak starting battery.
NOTE: We highly recommend using high quality
“Dual-Purpose Batteries” in both the starting and
house position.