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10
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Using the Battery Voltage Tester
With the charger unplugged from the AC outlet, connect the charger to the battery
1.
following the instructions given in sections 6 and 7.
Plug the charger AC power cord into the AC outlet, following the instructions given in
2.
section 8.
Place the Function switch in the down position.
3.
Make sure the LED on the timer is next to the OFF (O)
4.
position.
Read the voltage on the digital display or press the Display Mode button to set the
5.
tester to BATTERY % to read the voltage as a percent of charge. Compare the
voltage reading to the chart below.
12 Volt Battery Reading
Battery Condition
12.8 or More
Charged
12.2 to 12.7
Needs Charging
Less than 12.2
Discharged
Tester and Charger
: When first turned on, the unit operates only as a tester, not as a
charger. To continue to use it only as a tester, avoid pressing the AUTO START
button
or the TIMER button. Selecting a time or pressing the AUTO START button
activates the
battery charger and deactivates the tester.
Testing After Charging
: To change the battery charger back to a tester, press the Timer
button until the LED next to the OFF position is lit. Then press the Display button until
the VOLTS LED is lit.
Using the Alternator Performance Tester
With the charger unplugged from the AC outlet, connect the charger to the battery
1.
following the instructions given in sections 6 and 7.
Plug the charger AC power cord into the AC outlet, following the instructions given in
2.
section 8.
Place the Function switch in the down position.
3.
Make sure the LED on the timer is next to the OFF (O)
4.
position.
Start the vehicle and turn on the vehicle’s headlights. Read the voltage on the digital
5.
display. Compare the voltage reading to the chart below.
12 Volt Alternator Reading
Alternator Condition
14.6 or More
Have it checked
13.5 to 14.5
Working
Less than 13.4
Have it checked
CALCULATING CHARGE TIME
12.
Find your battery’s rating on the chart below, and note the charge time given for each
charger setting. The times given are for batteries with a 50% charge prior to recharging.
Add more time for severely discharged batteries.
CCA = Cold Cranking Amps
RC = Reserve Capacity
AH = Amp Hour
NR means that the charger setting is NOT RECOMMENDED.
BATTERY SIZE/RATING
CHARGE RATE/CHARGING
TIME
2 AMP
20 AMP
55 AMP
SMALL
BATTERIES
Motorcycle,
garden,
tractor, etc.
6 - 12 AH
2 - 4 hrs
NR
NR
12 - 32 AH
4 - 10 hrs
NR
NR
