Schumacher PWI70300A Benutzeranleitung Seite 9

Using the Battery Voltage Tester
Overview
This battery charger has a built-in voltmeter to test your battery's state of charge. The
charger does not have a built in load tester. As such, a recently charged battery could
have a temporarily high voltage due to what is known as "surface charge". The voltage
of such a battery will gradually drop during the period immediately after the charging
system is disengaged. Consequently, the tester could display inconsistent values for
such a battery. For a more accurate reading, the surface charge should be removed
by temporarily creating a load on the battery, such as by turning on lights or other
accessories for a couple of minutes before you read the display. Read it a couple of
minutes after you have shut the headlights off.
Testing Sequence: There are four basic steps required to test the battery state of charge:
1. With the charger unplugged from the AC outlet, connect the charger to the battery
2. Set the charge rate switch and the timer to the OFF position.
3. Plug the charger AC power cord into the AC outlet, following the instructions given in
4. Read the voltage on the voltmeter.
General Charging Notes
Fan: The charger is designed to control its cooling fan for efficient operation. It is normal
for the fan to start and stop when maintaining a fully charged battery. Keep the area
near the charger clear of obstructions to allow the fan to operate efficiently.
Voltage: The voltage displayed during charging is the charging voltage and is usually
higher than the battery's resting voltage.
12. CALCULATING CHARGE TIME
Use the following table to determine the time it will take to bring a battery to full charge.
First, identify where your battery fits into the chart.
NR means that the charger setting is NOT RECOMMENDED.
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.
SMALL
BATTERIES
CARS/
TRUCKS
MARINE/DEEP-CYCLE
Downloaded from www.Manualslib.com
following the instructions given in Sections 5 and 6.
Section 7.
BATTERY SIZE/RATING
Motorcycle, 6 - 12 AH
garden,
12 - 32 AH
tractor, etc.
200 - 315 CCA 40 - 60 RC
315 - 550 CCA 60 - 85 RC
550 - 1000 CCA 80 - 190 RC
140 RC
160 RC
180 RC
manuals search engine
CHARGE RATE/CHARGING TIME
4 AMP
1 - 2 hrs
2 - 5 hrs
5½ - 7¼ hrs
7¼ - 9¼ hrs
9¼ - 17½
hrs
80 RC 8¾ hrs
13½ hrs
15 hrs
16½ hrs
9
• •
20 AMP 40 AMP
NR NR
NR NR
1 - 1½ hrs ½ - ¾ hr
1½ - 2 hrs
¾ - 1 hr
2 - 3½ hrs
1 - 1¾ hrs
1¾ hrs
NR
2¾ hrs
NR
3 hrs NR
3½ hrs
NR
70 AMP
NR
NR
20 - 30 min
30 - 40 min
40 min - 1 hr
NR
NR
NR
NR