DieHard 200.71231 Kullanıcı El Kitabı - Sayfa 13

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1. Parts

Calculating

charge times

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 chad.

• Small batteries -- motomycles, garden tractors, etc.

-- are usually rated in Ampere Hours (AH). For

example: 6 to 12 AH, or 12 to 32 AH.

• Batteries in cars and smaller trucks are usually rated

in Reserve Capacity (RC), Cold-Cranking Amps

(CCA), or both.

• Marine, or deep-cycle batteries are usually rated in

Reserve Capacity (RC).

• NR means that the charger setting is NOT RECOM-

MENDED.

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-pement charge

prior to recharging. Add more time for severly dis-

charged batteries.

SMALL

BATTERIES

Motomycle, garden

tractor, etc.

200 - 315 CCA

315 - 550 CCA

550 - 1000 CCA

MARINE/DEEP

CYCLE

6 - 12 AH

12 - 32 AH

40 - 60 RC

6O - 85 RC

85 -190 RC

140 RC

160 RC

180 RC

2-4

4-10

11 - 14

14-18

18 - 35

1½-2

2 - 2½

2½ - 41/=

2½

3V=

4½

The

Hydrometer

or Electronic

Method

To find the time needed to fully charge your battery,

determine the battery's charge level with a hydrometer

or electronic Percent-of-Charge Tester. The following

table will help you convert hydrometer readings to

percent of charge values.

When you know the percent of charge and the Amp

Hour (AH) rating of your battery, you can calculate the

approximate time needed to bring your battery to a full

charge.

To convert Reserve Capacity to Amp Hours, divide

Reserve Capacity by 2, and add 16:

Amp Hours = Reserve CaDacitv + 16

To calculate time needed for a charge:

• Find the percent of charge needed. (A battery at 50

percent charge that will be charged to 100 percent

needs another 50 percent (.50).

• Multiply the Amp Hour rating by the charge needed

(.50) and divide by the charger setting (2, 20 or 60

amps).

• Multiply the result by 1.25 and you'll have the time

needed, in hours, to bring the battery to full charge.

• Add one additional hour for a deep-cycle battery.

Example:

Amo Hour Rating x % of charoe needed x 1,25 = hours

Charger Setting

charge

100 (AH Ratlno) x .50 (ghar_oeneeded) x 1.25 = 4.1625

15 (Charger Setting)

hours

100 X .50 -- 2.5 X 1.25 =3.125

YOUwould need to charge your 100-Ampere Hour

Battery for a little more than 4 hours at the 15-Amp

charge rate using the above example.