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OPEN CIRCUIT VOLTAGE VERSUS REMAINING CAPACITY
Open circuit voltage
Open klemspanning
Leerlaufspanning
Tension en l'absence de charge
Tensión sin carga
Tensione a circuito aperto
Approximate state of charge (%)
Benadering van de ladingstoestand (%)
Annähernde Ladezustand (%)
Etat de charge approximatif (%)
Estado de carga aproximado (%)
Carica approssimativa degli accumulatori (%)
Open circuit voltage is measured after the battery was disconnected from any load or power source for at least 12hrs.
Model:
Continual discharge:
Discharge time t ≤ 2min:
Discharge time t ≤ 10sec:
CONSTANT CURRENT DISCHARGE (AMPS @25ºC/77ºF)
Final voltage (V) = 10.0V
Time (minutes)
10
SL 12/150Ah
326.4 257.3 212.7 159.4 118.3 94.3
SL 12/185Ah
Final voltage (V) = 10.2V
Time (minutes)
10
SL 12/150Ah
315.5 251.1 208.3 157.4 117.8 94.1
SL 12/185Ah
Final voltage (V) = 10.5V
Time (minutes)
10
SL 12/150Ah
294.9 238.3 200.3 152.9 115.2 92.7
SL 12/185Ah
Final voltage (V) = 10.8V
Time (minutes)
10
SL 12/150Ah
268.7 220.2 187.7 145.5 111.0 89.5
SL 12/185Ah
The rate of self discharge is approximately 3% per month
@ 20ºC / 68 ºF. Therefore batteries need supplementary
charge according to the table below to keep its capacity.
Storage temperature
< 20ºC / < 68 ºF
20 to 30 ºC / 68 to 86 ºF
30 to 40 ºC / 86 to 104 ºF
40 to 50 ºC / 104 to 122 ºF
MAXIMUM DISCHARGE CURRENT
15
20
30
318.7 263.4 197.5 146.4 116.8 67.7
15
20
30
311.0 258.0 194.9 146.0 116.6 67.5
15
20
30
295.2 248.0 189.4 142.7 114.8 66.6
15
20
30
272.8 232.4 180.2 137.4 110.8 65.3
BATTERY STORAGE
Charging interval
Every 9 months
Every 6 months
Every 3 months
Every 1.5 months
11.64V
11.88V
0%
20%
AGM-SL 12/150Ah
140A
420A
840A
45
60
120
180
54.7
39.4
48.7
45
60
120
180
54.5
39.4
48.7
45
60
120
180
53.7
38.9
48.2
45
60
120
180
52.8
38.3
47.4
100%
75%
50%
25%
0%
0
12.09V
12.30V
40%
60%
AGM-SL 12/185Ah
180A
540A
1080A
240
300
360
31.5
25.9
22.7
39.0
32.1
28.0
240
300
360
31.4
25.9
22.6
38.9
32.1
28.0
240
300
360
31.2
25.7
22.3
38.7
31.8
27.7
240
300
360
30.4
25.2
21.9
37.7
31.2
27.1
40ºC (104ºF)
30ºC (104ºF)
3
6
9
Storage time (months)
12.51V
12.72V
80%
100%
480
600
1200
17.5
14.4
7.67
21.6
17.8
9.44
480
600
1200
17.5
14.3
7.64
21.6
17.7
9.44
480
600
1200
17.4
14.3
7.6
21.6
17.7
9.44
480
600
1200
17.0
14.1
7.5
21.1
17.5
9.25
0ºC (32ºF)
10ºC (50ºF)
20ºC (68ºF)
12
15
18
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