Capacity

affected

by Temperature

(10hour rate)

Terminal

Cycle

Float

Capacity

25℃(77℉)

Internal Resistance

Charge

(constant

Voltage)

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

Full charged Battery at 25 (77 )

℃

℉

100 A

0.8 mΩ

40℃(104℉)

25℃(77℉)

0℃(32℉)

-15℃(5℉)

102%

100%

85%

65%

Capacity after 3 month storage

Capacity after 6 month storage

Capacity after 12 month storage

91%

82%

64%

T20

Initial Charging Current less than 62.5 A

Voltage 2.35-2.40V

Voltage 2.25-2.30V

φ20

M8×20

R

SW22500E(2V250AH)

528A

250A

125A

50A

25A

1.70

2.30

1.90

2.00

2.10

2.20

1.80

1.60

1.50

( h)

( mi n)

40

20

60

40

20

2

10

8

6

4

10

8

6

4

2

1

0

1.30

1.40

Self-Discharge

at 25

(77

)

℃

℉

Characteristics

Outer dimensions (mm)

Terminal Type (mm)

R

SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.

10min

30min

1h

2h

3h

4h

5h

8h

10h

20h

A

497.5

285.0

150.0

87.5

64.5

50.0

41.4

29.0

27.5

14.3

W

978

510

290

170

125

97.5

80.0

55.0

51.3

27.2

A

472.5

277.5

141.0

83.5

62.5

48.8

40.5

28.4

25.9

14.0

W

940

505

273

160

120

95.0

77.5

55.0

48.8

26.8

A

447.5

255.0

137.5

81.5

61.0

48.0

40.0

28.1

25.5

13.8

W

910

475

263

158

118

92.5

76.5

54.3

48.3

26.3

A

422.5

235.0

132.5

79.5

59.5

47.3

39.0

27.4

25.0

13.7

W

875

458

253

155

115

90.5

75.0

52.5

48.0

26.0

A

397.5

210.0

125.0

77.5

57.5

45.8

38.0

26.7

24.4

13.5

W

825

420

245

153

115

88.8

74.5

50.3

47.5

25.6

Constant Current(Amp) and Constant Power(Watt) Discharge Table at 25℃(77℉)

Time

1.60V

1.85V

1.70V

1.75V

1.80V

SW22

500

(2V250A

H)

171

151

2

2

Nominal Voltage

Rated capacity (10 hour rate)

Total Height

Height

Length

Width

Dimensions

Weight Approx

2 V

250 Ah

356 mm (14.0 inches)

330 mm (13.0 inches)

171 mm (6.7 inches)

151 mm (5.9 inches)

17 Kg (37.4 lbs)

Specifications