Schumacher Automatic SWI-1555A User Manual
Page 44
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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
CARS/TRUCKS
200 - 315 CCA
40 - 60 RC
(36 - 46 Ah)
11¼ - 14½
hrs
1¼ - 1½ hrs
25 - 32 min
315 - 550 CCA
60 - 85 RC
(46 - 58 Ah)
NR
1½ - 2 hrs
32 - 40 min
550 - 1000 CCA
85 - 190 RC
(58 - 111 Ah)
NR
2 - 3½ hrs
40 min - 1¼
hrs
MARINE/DEEP CYCLE
80 RC
NR
1¾ hrs
NR
140 RC
NR
2¾ hrs
NR
160 RC
NR
3 hrs
NR
180 RC
NR
3½ hrs
NR
MAINTENANCE INSTRUCTIONS
13.
After use and before performing maintenance, unplug and disconnect the battery
13.1
charger (see sections 6, 7 and 8).
Use a dry cloth to wipe all battery corrosion and other dirt or oil from the battery clips,
13.2
cords, and the charger case.
Ensure that all of the charger components are in place and in good working condition,
13.3
for example, the plastic boots on the battery clips.
Servicing does not require opening the unit, as there are no user-serviceable parts.
13.4
All other servicing should be performed by qualified service personnel.
13.5
MOVING AND STORAGE INSTRUCTIONS
14.
Store the charger unplugged, in an upright position. The cord will still conduct electricity
14.1
until it is unplugged from the outlet.
Store inside, in a cool, dry place.
14.2
Do not store the clips on the handle, clipped together, on or around metal, or clipped to cables.
14.3
If the charger is moved around the shop or transported to another location, take care to
14.4
avoid/prevent damage to the cords, clips and charger. Failure to do so could result in
personal injury or property damage.
TROUBLESHOOTING AND FAILURE CODES
15.
Failure Codes
FAILURE
CODE
DESCRIPTION
CAUSE
F01
The battery voltage is still under
10V after 2 hours of charging.
Could be caused by trying to charge a 6 volt
battery on the 12 volt charger, or the battery
could be bad; have it checked or replaced.
F02
The charger cannot desulfate the
battery.
The battery could not be desulfated; have it
checked or replaced.