SW22500_17 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
SW22500(2V250AH)
Outer dimensions (mm)
151 2
(S2VW225205A0H0)
Specifications
Nominal Voltage
2V
Rated capacity (10 hour rate)
250 Ah
Total Height 356 mm (14.0 inches)
Dimensions
Height
Length
330 mm (13.0 inches)
171 mm (6.7 inches)
Width
151 mm (5.9 inches)
Weight Approx
17 Kg (37.5 lbs)
171 2
Terminal Type (mm)
φ20
M8×20
Characteristics
Capacity
25℃(77℉)
10 hour rate(25 A)
5 hour rate(40A)
1 hour rate(150 A)
250 AH
200 AH
150 AH
1.5 hour discharge to 1.75 V
100 A
Internal ResistanceFull charged Battery at 25℃(77℉) _{0.8 mΩ}
Capacity
affected
by Temperature
(10hour rate)
40℃(104℉)
25℃(77℉)
0℃(32℉)
-15℃(5℉)
102%
100%
85%
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
T20
Charge
Initial Charging Current less than 62.5 A
Cycle
(constant
Voltage 2.35-2.40V
Voltage) _Float
Voltage 2.25-2.30V
Discharge Curves 25℃(77℉)
2.30
2.20
2.10
2.00
1.90
1.80
1.70
1.60
1.50
1.40
1.30
250A
50A ^25A
125A
528A
01 2
4 6 8 10 20 40 60 2 4 6 8 10 20 40
(min)
(h)
Time
A
1.60V
W
A
1.70V
W
A
1.75V
W
A
1.80V
W
A
1.85V
W
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25℃(77℉)
10min
30min
1h
2h
3h
4h
5h
8h
497.5
285.0
150.0
87.5
64.5
50.0
41.4
29.0
978
472.5
510
277.5
290
141.0
170
83.5
125
62.5
97.5
48.8
80.0
40.5
55.0
28.4
940
447.5
505
255.0
273
137.5
160
81.5
120
61.0
95.0
48.0
77.5
40.0
55.0
28.1
910
422.5
475
235.0
263
132.5
158
79.5
118
59.5
92.5
47.3
76.5
39.0
54.3
27.4
875
458
253
155
115
90.5
75.0
52.5
397.5
825
210.0
420
125.0
245
77.5
153
57.5
115
45.8
88.8
38.0
74.5
26.7
50.3
10h
27.5
51.3
25.9
48.8
25.5
48.3
25.0
48.0
24.4
47.5
20h
14.3
27.2
14.0
26.8
13.8
26.3
13.7
26.0
13.5
25.6
R