Forney 52755 Manual Del Propietário página 7

LENGTH OF CHARGE
The following instruction will allow you to determine how long it will take to bring a specific battery to full charge.
1. Test the battery for state of charger with a
hydrometer or electronic percent-of-charge tester.
2. Determine the size of the battery in Amp-Hour or
Reserve Capacity. If the ratings are not printed on
the battery, contact your local battery dealer for
this information. These are the only ratings that can
be used to determine length to charging time.
3. Use the battery rating, the charge level of the
battery, and amp setting to be used on the charger
in the formula provided below.
Amp Hour Rating of Battery ×
Percent of Charged Needed
Amp Setting Selected on Charger
CHARGING RATE/TIME
Table B
Battery Size/Rating
Small batteries
(Motorcycle, Garden Tractor, etc.)
200-315 CCA
315-550 CCA
Cars/Trucks
550-875 CCA
4. If the battery is rated in Reserve Capacity, use the
NOTE: The length of charge times are approximate
and vary from the battery to battery. Always follow the
battery manufacturer's specific charging instructions.
= Hours to Charge
Charging Time (based on battery at 50% charge)
6-12 Ah
40-60 RC 13 - 20 hr
60-85 RC 20 - 35 hr
85-125 RC 35 - 55 hr
WWW.FORNEYIND.COM
following formula to convert reverse capacity to
amp-hours.
Reserve Capacity
+15.5 = Amp-Hour Rating
2
12V Charge Rate
2A 10A
Do not use these rates
3 -6 hr
for small batteries
2 1/2 - 4 hr
4 - 7 hr
7 - 11 hr
40A Boost
1/2 - 3/4 hr
3/4 - 2 hr
2 - 3 hr
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