DieHard 200.71310 Kullanıcı El Kitabı - Sayfa 9
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Calculating
charge
time
The
Chart
Method
Use the following table to more accurately determine
the time it wilt take to bring a battery to full charge.
First, identify where your battery fits into the chart.
Small batteries -- motorcycles, garden tractors, etc.
-- are usually rated in Ampere Hours (AH). For
example; 6to 12AH, 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).
• Nil means that the charger setting is NOT
RECOMMENED.
Find your battery's rating on the chart to the right and
note the charge time given for each charger setting.
The times given are for batteries with a 50-percent
charge prior to recharging. Add more time for severely
discharged batteries.
SMALL
BATrERiES
CARFRUCKS
Motorcycle, garden
tractor, etc.
200 - 315 CCA
315 - 55O CCA
55O - 1000 CCA
MARINE/DEEP CYCLE
6-12AH
12 -32 AH
40 - 60 RC
60 - 85 RC
85 -190 RC
80 RC
140 RC
160 RC
180 RC
2-4
4-!0
11 -14
14-18
18 - 35
18
27
3O
33
lO AMP
NR
NR
2 - 27/8
27/8- 33/4
33/4- 7
31/2
51/2
6
7
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.
1.265
1.225
1.155
1.120
100%
75%
25%
0%
0%
25%
75%
100%
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
2
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 or 10 amps).
Multiply the result by 1.25 and you'll have the
approximate time needed, in hours, to bring the
battery to full charge.
Add one additional hour for a deep-cycle battery.
Example:
Amp Hour Ratinq x charge needed x 1.25 = hours
Charger Setting
of
charge
100 (AH Ratinq) x .50 (charqe needed) x 1.25 = 6.25
10 (Charger Setting)
hours
100x.50
= 5x 1.25 = 6.25
10
You would need to charge your 100-Ampere Hour Bat-
tery for approximately 6-1/4 hours at the 10-Amp charge
rate using the above example.
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