Schumacher Automatic SP2 - Manual (Page 13)

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CALCULATiNG CHARGE TiME 13.
Find your battery’s rating on the chart below, and note the charge
time given. The times given are for batteries with a 50% charge prior
to recharging. Add more time for severely discharged batteries.
CCA = Cold Cranking Amps
AH = Amp Hour
RC = Reserve Capacity
MAINTAIN ONLY = See Maintaining a Battery in the “Operating
Instructions” section.
BATTERY SiZE/RATiNG CHARGiNG TiME
SMALL
BATTERIES
Motorcycle,
garden tractor,
etc.
6 - 12 AH 3 ¾ - 7 ½ hrs
12 - 32 AH 7 ½ - 20 hrs
CARS/
TRUCKS
200 - 315
CCA
40 - 60 RC MAINTAIN ONLY
315 - 550
CCA
60 - 85 RC MAINTAIN ONLY
550 - 1000
CCA
80 - 190
RC
MAINTAIN ONLY
MARINE/DEEP CYCLE
80 RC MAINTAIN ONLY
140 RC MAINTAIN ONLY
160 RC MAINTAIN ONLY
180 RC MAINTAIN ONLY
MAiNTENANCE iNSTRUCTiONS 14.
Before performing maintenance, unplug and disconnect the 14.1
battery charger (see Sections 6, 7 and 8).
After use, unplug the charger and use a dry cloth to wipe all 14.2
battery corrosion and other dirt or oil from the terminals, cords
and the charger case.
Ensure that all of the charger components are in place, securely 14.3
attached and in good working condition, for example, the plastic
boots on the battery clips.