SW212500_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
SW2125000(2V1250AH)
Outer dimensions (mm)
401
Specifications
Nominal Voltage
2V
Rated capacity (10 hour rate)
1250 Ah
Total Height 369 mm (14.5 inches)
Dimensions
Height
Length
344 mm (13.5 inches)
401 mm (15.8 inches)
Width
351 mm (13.8 inches)
Weight Approx
92Kg(202.9 lbs)
Terminal Type (mm)
φ20
M8×20
Characteristics
Capacity
25℃(77℉)
10 hour rate(125 A)
5 hour rate(200 A)
1 hour rate(900 A)
1250 AH
1000 AH
750AH
1.5 hour discharge to 1.75 V
500 A
Internal Resistance Full charged Battery at 25℃(77℉) _{0.5 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
Charge _Cycle
(constant
Voltage) _Float
T20
Initial Charging Current less than 312.5 A
Voltage 2.35-2.40V
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 ^125A
625A
1250A
2600A
0 1 2 4 6 8 10 20 4060 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
2487.5
1425.0
750.0
437.5
322.5
250.0
210.52
144.8
4888
2362.5
2550
1387.5
1450
705.0
850
417.5
625
312.5
487.5
243.8
400.0
206.4
275.0
142.2
4700
2237.5
2525
1275.0
1363
687.5
800
407.5
600
305.0
475.0
240.0
387.5
204.5
275.0
140.6
4550
2112.5
2375
1175.0
1313
662.5
788
397.5
588
297.5
462.5
236.3
382.5
192.5
271.3
137.0
4375
2288
1263
775
575
452.5
375.0
262.5
1987.5
4125
1050.0
2100
625.0
1225
387.5
763
287.5
575
229.2
443.8
188.8
372.5
133.3
251.3
10h
137.5
256.3
129.4
243.8
127.5
241.3
125.0
240.0
121.9
237.5
20h
71.3
136.1
70.0
133.8
69.1
131.3
68.3
130.0
67.5
128.1
R