Schumacher SC1306 Owner's Manual page 9

NOTE: This charger is equipped with
an auto-start feature. Current will not be
supplied to the battery clamps until a
battery is properly connected. The clamps
will not spark if touched together.
AUTOMATIC CHARGING
When an Automatic Charge is performed,
the charger switches to the maintain mode
automatically after the battery is charged.
BATTERY CHARGING TIMES
BATTERY
SIZE
APPLICATION
POWERSPORTS
6Ah
32Ah
AUTOMOTIVE 300 CCA
1000 CCA
MARINE
50Ah
105Ah
Times are based on a 50% discharged
battery and may change, depending on age
and condition of battery.
ABORTED CHARGE
If charging cannot be completed normally,
charging will abort. When charging aborts,
the charger's output is shut off and the
Bad Battery (red) LED willl light. Do not
continue attempting to charge this battery.
Have it checked or replaced.
DESULFATION MODE
While desulfation is in progress, the
% and Bad Battery
lit. Desulfation could take 8 to 10 hours. If
desulfation fails, charging will abort and the
Bad Battery (red) LED will remain lit.
COMPLETION OF CHARGE
Charge completion is indicated by the
rightmost % LED (representing a
100% charged battery).When lit, the
charger has switched to the maintain mode
of operation.
MAINTAIN MODE
(FLOAT MODE MONITORING)
When the rightmost
charger has started maintain mode. In
this mode, the charger keeps the battery
fully charged by delivering a small current
when necessary. If the charger has to
provide its maximum maintain current for
a continuous 12 hour period, it will go into
abort mode (see Aborted Charge section).
This is usually caused by a drain on the
battery or the battery could be bad.
CHARGING TIME (Hours)
6A 10A 20A 30A
2 1. 5 . 5 . 5
5 4 1. 5 1
4 3 1. 5 1. 5
10 7 3.5 3
5 3.5 1. 5 1
11 8 4 3
LEDs will be
% LED is lit, the
MAINTAINING A BATTERY
The SC1306 charges and maintains 12-volt
batteries, keeping them at full charge.
NOTE: The maintain mode technology
allows you to safely charge and maintain
a healthy battery for extended periods
of time. However, problems with the
battery, electrical problems in the
vehicle, improper connections or other
unanticipated conditions could cause
excessive current draws. As such,
occasionally monitoring your battery and
the charging process is required.
USING THE ENGINE START FEATURE
Your battery charger can be used to jump
start your car if the battery is low. Follow
all safety instructions and precautions for
charging your battery. Wear complete eye
protection and protective clothing.
WARNING: Using the ENGINE START
feature WITHOUT a battery installed in
the vehicle could cause damage to the
vehicle's electrical system.
NOTE: If you have charged the battery
and it still will not start your car, do not
use the Engine Start feature, or it could
damage the vehicle's electrical system.
Have the battery checked.
1. With the charger unplugged from the
AC outlet, connect the charger to the
battery following the instructions given
in Charging a Battery in the Vehicle.
2. Connect the charger to a live grounded
120V AC outlet.
3. With the charger plugged in and
connected to the battery and chassis,
press the
until the
4. Press the START/STOP button to
begin Engine Start. Engine Start will
not begin without pressing the START/
STOP button.
5. Wait 2 minutes before cranking the
engine.
6. Crank the engine until it starts or 3
seconds pass. If the engine does not
start, wait 3 minutes before cranking
again. This allows the charger and
battery to cool down. The
Start LED will blink during the 3 minute
cool-down.
NOTE: During extremely cold weather,
or if the battery is under 2 volts, charge
the battery for 5 minutes before cranking
the engine.
• 9 •
Rate Selection button
Engine Start LED is lit.
Engine