Calculating Charge Time - Schumacher Electric SE-1555A Manual Del Usuario

Using the Battery Voltage Tester
1. With the charger unplugged from the AC outlet, connect the charger to the battery
following the instructions given in sections 6 and 7.
2. Plug the charger AC power cord into the AC outlet, following the instructions given in
section 8.
3. Place the Function switch in the down position.
4. Make sure the LED on the timer is next to the OFF (O)
5. Read the voltage on the digital display or press the Display Mode button to set the
tester to BATTERY % to read the voltage as a percent of charge. Compare the
voltage reading to the chart below.
12 Volt Battery Reading
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
1. With the charger unplugged from the AC outlet, connect the charger to the battery
following the instructions given in sections 6 and 7.
2. Plug the charger AC power cord into the AC outlet, following the instructions given in
section 8.
3. Place the Function switch in the down position.
4. Make sure the LED on the timer is next to the OFF (O)
5. Start the vehicle and turn on the vehicle's headlights. Read the voltage on the digital
display. Compare the voltage reading to the chart below.
12 Volt Alternator Reading
14.6 or More
Less than 13.4
12.

CALCULATING CHARGE TIME

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
SMALL
BATTERIES
All manuals and user guides at all-guides.com
12.8 or More
12.2 to 12.7
Less than 12.2
13.5 to 14.5
Motorcycle, 6 - 12 AH
garden,
12 - 32 AH
tractor, etc.
•
position.
Battery Condition
Charged
Needs Charging
Discharged
position.
Alternator Condition
Have it checked
Working
Have it checked
CHARGE RATE/CHARGING
2 AMP
2 - 4 hrs
4 - 10 hrs
10
•
TIME
20 AMP 55 AMP
NR NR
NR NR