SW21250 Datasheet, PDF (1/1 Pages) Shenzhen Sunnyway Battery Tech Co.Ltd. – Telecom & Industry stationary battery

SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
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SW21250(2V1250AH)
Outer dimensions (mm)
401
189
55
(2S^S(2Vw^w₁₂^V₂₁2₅121₀₅2_A02_H055_{) 00A0H)}
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
81 Kg (179lbs)
55
189
Terminal Type (mm)
20
M8 20
Characteristics
Capacity
25 (77 )
10 hour rate(125 A)
5 hour rate(200 A)
1 hour rate(750 A)
1250 AH
1000 AH
750 AH
Apporx
Internal ResistanceFull charged Battery at 25 (77 )
0.18 m
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 than500 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
2638A
0 1 2 4 6 8 10 20 4060 2 4 6 8 10 20 40
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77 )
Time 5min 10min 15min 30min 1h
2h
A
1.60V
W
A
1.70V
W
A
1.75V
W
A
1.80V
W
A
1.85V
W
3h
4h
5h
8h
10h
20h
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