SW1275E Datasheet, PDF (1/1 Pages) Shenzhen Sunnyway Battery Tech Co.Ltd. – Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25

SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
R
SW1275E(12V7.5AH)
Outer dimensions (mm)
151
65
Specifications
Nominal Voltage
12V
Rated capacity (20 hour rate)
7.5 Ah
Total Height 100mm (3.94 inches)
Dimensions
Height
Length
94mm (3.70 inches)
151mm (5.94 inches)
Width
65mm (2.56 inches)
Weight Approx
2.25Kg (5.0 lbs)
Terminal Type (mm)
3.2
6.35
Characteristics
20 hour rate(0.38 A)
7.50 AH
Capacity
25℃(77℉)
10 hour rate(0.69 A)
5 hour rate(1.28 A)
1 hour rate(4.50 A)
6.90 AH
6.40AH
4.50 AH
1.5 hour discharge to 10.5V
3.0 A
Internal Resistance Full charged Battery at 25℃(77℉) 18 mΩ
Capacity
40℃(104℉)
102%
affected
25℃(77℉)
100%
by Temperature
0℃(32℉)
85%
(20hour rate)
-15℃(5℉)
65%
Capacity after 3 month storage
Self-Discharge _{Capacity after 6 month storage}
at 25℃(77℉)
Capacity after 12 month storage
91%
82%
64%
Terminal
T1、T2
Charge
Initial Charging Current less than3.00A
Cycle
(constant
Voltage 14.10-14.40V
Voltage) _Float
Voltage 13.50-13.80V
Discharge Curves 25℃(77℉)
13.8
13.2
12.6
12.0
11.4
10.8
10.2
9.6
9.0
8.4
7.8
01 2
1.5A0.75A0.375A
3.0A
7.5A
15A
22.5A
27A
4 6 8 10 20 4060 2 4 6 8 10 20 40
(min)
(h)
Time
A
9.60V
W
A
10.20V
W
A
10.50V
W
A
10.80V
W
A
11.10V
W
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25℃(77℉)
5min 10min 15min 30min 1h
27.0 17.7 13.1 8.63 4.50
318.4 200.0 151.3 91.6 51.9
24.8 16.9 12.1 8.19 4.22
299.7 189.4 142.2 90.9 48.8
22.5 15.8 11.3 7.94 4.09
289.4 183.8 135.9 90.0 47.3
21.7 15.1 10.5 7.72 3.95
253.7 178.1 130.9 89.7 45.9
20.0 14.3 9.75 7.50 3.81
245.3 172.2 124.7 89.1 45.3
2h
2.63
30.4
2.52
29.2
2.47
28.6
2.41
28.0
2.34
27.8
3h
1.93
22.34
1.88
21.72
1.84
21.34
1.81
21.09
1.72
20.5
4h
1.55
17.94
1.50
17.38
1.43
16.50
1.40
16.30
1.37
16.25
5h
1.32
15.22
1.29
14.94
1.28
14.84
1.22
14.2
1.17
13.9
8h
0.87
10.03
0.85
9.88
0.84
9.78
0.82
9.38
0.80
9.06
10h
0.71
8.22
0.70
8.06
0.69
8.00
0.67
7.81
0.66
7.66
20h
0.390
4.50
0.380
4.37
0.375
4.34
0.370
4.25
0.360
4.22
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