SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.
R
SW22500E(2V250AH)
Outer dimensions (mm)
365
330
151
171
50 0E h)
SW 22 25 0A
(1 2V
Specifications
Nominal Voltage
Rated capacity (10 hour rate)
Total Height
Height
Dimensions
Length
Width
Weight Approx
2V
250 Ah
365 mm (14.4 inches)
330 mm (13.0 inches)
Terminal Type (mm)
20
11
M8 20
171 mm (6.73 inches)
151 mm (5.94 inches)
18.2 Kg (40 lbs)
Characteristics
10 hour rate(25 A)
5 hour rate(40A)
1 hour rate(138 A)
1.5 hour discharge to 1.75 V
Capacity
affected
by Temperature
(10hour rate)
Self-Discharge
at 25 (77 )
Terminal
Charge
(constant
Voltage)
Cycle
Float
40 (104 )
25 (77 )
0 (32 )
-15 (5 )
Capacity after 3 month storage
Capacity after 6 month storage
Capacity after 12 month storage
250 AH
200 AH
138 AH
100 A
102%
100%
85%
65%
91%
82%
64%
Discharge Curves 25
(77 )
Capacity
25
(77
)
Internal Resistance Full charged Battery at 25 (77 ) 1.5m
2.30
2.20
2.10
2.00
1.90
1.80
1.70
1.60
1.50
1.40
1.30
0 1
2
50A
125A
250A
528A
25A
2.9A
4 6 8 10
20
40 60
2
4 6 8 10 20 50
100 200
T20
Initial Charging Current less than
62.5 A
Voltage 2.35-2.40V
Voltage 2.25-2.30V
Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25 (77
Time
1.60V
1.70V
1.75V
1.80V
1.85V
A
W
A
W
A
W
A
W
A
W
)
50h
100h
10min
30min
1h
3h
4h
5h
8h
10h
20h
R
Edition Nov. 2009
SUNNYWAY [ SHENZHEN SUNNYWAY BATTERY TECH CO.LTD. ]
