Schumacher PSW-70300A owner manual Chart Method, Battery SIZE/RATING Charge RATE/CHARGING Time

The Chart Method

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.

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
			4 AMP	20 AMP	40 AMP	70 Amp
SMALL	Motorcycle,	6 - 12 AH	1 - 2 hrs	NR	NR	NR
	garden,
BATTERIES		12 - 32 AH	2 - 5 hrs	NR	NR	NR
	tractor, etc.
	200 - 315 CCA	40 - 60 RC	5½ - 7¼	1 - 1½	½ - ¾ hr	20 - 30
			hrs	hrs		min
CARS/	315 - 550 CCA	60 - 85 RC	7¼ - 9¼	1½ - 2	¾ - 1 hr	30 - 40
TRUCKS			hrs	hrs		min
	550 - 1000 CCA	80 - 190 RC	9¼ -	2 - 3½	1 - 1¾	40 min -
			17½ hrs	hrs	hrs	1 hr
		80 RC	8¾ hrs	1¾ hrs	NR	NR
MARINE/DEEP CYCLE		140 RC	13½ hrs	2¾ hrs	NR	NR
		160 RC	15 hrs	3 hrs	NR	NR
		180 RC	16½ hrs	3½ hrs	NR	NR

14.MAINTENANCE INSTRUCTIONS

14.1After use and before performing maintenance, unplug and disconnect the battery charger (see Sections 6, 7 and 8).

14.2Use a dry cloth to wipe all battery corrosion and other dirt or oil from the terminals, cords, and the charger case.

14.3Ensure that all of the charger components are in place and in good working condition, including the plastic boots on the battery clips.

14.4Servicing does not require opening the unit, as there are no user-serviceable parts.

14.5All other servicing should be performed by qualified service personnel.

15.MOVING AND STORAGE INSTRUCTIONS

15.1Store the charger unplugged, in an upright position. The cord will still conduct electricity until it is unplugged from the outlet.

15.2Store inside, in a cool, dry place.

15.3Store the clips on the fiberglass clamp rod. Do not store them on the handle, clipped together, on or around metal, or clipped to the cables.

15.4if the charger is moved around the shop or transported to another location, take care to avoid/prevent damage to the cords, clips and charger. Failure to do so could result in personal injury or property damage.

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