Schumacher Manual Battery Charger SWI-1224 User Manual
Page 45
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CALCULATING CHARGE TIME
13.
Use the following table to more accurately determine the time it will take to bring a
battery to full charge. First, identify where your battery fits into the chart.
CCA = Cold Cranking Amps
RC = Reserve Capacity
Ah = Amp Hour
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.
BATTERY SIZE/RATING
CHARGE RATE/CHARGING TIME
15 AMP
30 AMP
60 AMP
SMALL
BATTERIES
Motorcycle,
garden,
tractor, etc.
6 - 12 Ah
NR
NR
NR
12 - 32 Ah
NR
NR
NR
CAR/
TRUCK
200 - 315 CCA
40 - 60 RC
(36 - 46 Ah)
1½ - 2 hrs
45 min – 1 hr. 20 - 30 min.
315 - 550 CCA
60 - 85 RC
(46 - 58 Ah)
2 - 2½ hrs
1 – 1¼ hrs.
30 - 40 min.
550 - 1000 CCA 85 - 190 RC
(58 - 111 Ah)
2½ - 4½ hrs
1¼ – 2¼ hrs.
40 - 75 min.
MARINE/DEEP CYCLE
80 RC
2½ hrs
NR
NR
140 RC
3½ hrs
NR
NR
160 RC
4 hrs
NR
NR
180 RC
4½ hrs
NR
NR
MAINTENANCE INSTRUCTIONS
14.
After use and before performing maintenance, unplug and disconnect the battery
14.1
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,
14.2
cords, and the charger case.
Ensure that all of the charger components are in place and in good working condition,
14.3
for example, the plastic boots on the battery clips.
Servicing does not require opening the unit, as there are no user-serviceable parts.
14.4
All other servicing should be performed by qualified service personnel.
14.5
MOVING AND STORAGE INSTRUCTIONS
15.
Store the charger unplugged, in an upright position. The cord will still conduct electricity
15.1
until it is unplugged from the outlet.
Store inside, in a cool, dry place.
15.2
Do not store the clips on the handle, clipped together, on or around metal, or clipped to
15.3
cables.
If the charger is moved around the shop or transported to another location, take care to
15.4
avoid/prevent damage to the cords, clips and charger. Failure to do so could result in
personal injury or property damage.