6-GFM-38

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Specifications
Discharging Characteristics Curves(25¡æ)
Nominal voltage
12V
Rated Capacity (20 hour rate)
38AH
Dimension
Total Height
(with terminals)
178mm(7.01inches)
Height
176mm(6.93inches)
Length
196mm(7.72inches)
Width
165mm(6.50inches)
¡¡¡¡¡¡¡¡¡¡¡¡Weight
Approx.13.5kg(29.75Ibs)
¡¡¡¡¡¡¡¡
Characteristics
Duration of discharge vs.Discharge current

Capacity(25¡æ)

20HR
38Ah
10HR
36.1 Ah
5HR
31.2 Ah
1HR
20.9 Ah
Internal Resistance (Full charged)
10.6mW£¨25¡æ£©

Capacity affected
by temperature

40¡æ
109%
25¡æ
100%
0¡æ
88%
-15¡æ
76%
Self-Discharge(25¡æ)
Capacity after 3 month storage
92%

Charging(25¡æ)

Cycle
14.10V,7.6A or less
Float
13.50V,7.6A or less
CONSTANT CURRENT DISCHARGE (AMPERE AT 25¡æ)
Volts/Cell
¡¡¡¡¡¡¡¡¡¡¡¡Minute ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Hour
5
10
20
30
40
50
1
2
3
4
5
6
8
10
20
1.85
60.8
51.3
38.0
30.4
25.1
21.6
19.4
11.8
8.74
7.22
6.08
5.39
4.18
3.49
1.82
1.80
68.4
57.0
41.8
34.2
26.6
22.8
20.1
12.1
9.12
7.41
6.23
5.47
4.33
3.61
1.90
1.75
76.0
62.7
45.6
38.0
28.1
23.9
20.9
12.5
9.50
7.60
6.38
5.58
4.48
3.68
1.94
1.70
86.6
70.7
50.1
39.1
31.1
26.0
22.8
13.1
9.65
7.75
6.46
5.66
4.52
3.72
1.96
1.65
91.6
74.1
56.2
39.9
31.6
26.4
23.2
13.4
9.73
7.79
6.50
5.70
4.56
3.76
1.96
1.60
95.0
76.0
57.0
40.3
40.0
26.7
23.4
13.5
9.76
7.83
6.54
5.74
4.56
3.76
1.96
CONSTANT POWER DISCHARGE (WATT AT 25¡æ)
Volts/Cell
Minute
Hour
5
10
15
20
30
40
50
60
2
3
5
8
10
20
1.85
127
102
85.5
78.3
60.0
49.4
42.9
39.1
23.7
17.1
11.0
7.52
6.38
2.81
1.80
157
123
98.0
81.7
63.4
52.4
45.2
41
24.6
17.7
11.7
7.98
6.69
2.92
1.75
175
131
104
84.0
66.1
54.7
47.1
42.3
25.1
17.9
11.9
8.24
6.84
2.96
1.70
188
140
109
87.0
69.1
56.6
49.0
42.5
25.5
18.1
12.0
8.47
6.91
2.96
1.65
200
143
112
89.3
71.4
57.4
49.8
43.3
25.7
18.3
12.0
8.47
6.91
2.96
1.60
211
148
115
91.9
77.5
58.5
50.9
44.4
25.8
18.3
12.0
8.47
6.91
2.96
This information is generally descriptive only and is not intended to make or imply any representation,guarantee or warranty with respect to any cells and batteries.Cell and battery designs/specifications are subject to modification without notice.Contact coslight for the last information.