Capacity

affected

by Temperature

(10hour rate)

Terminal

Cycle

Float

Capacity

25℃(77℉)

Internal Resistance

Charge

(constant

Voltage)

10 hour rate(45 A)

5 hour rate(72A)

1 hour rate(270 A)

450 AH

360 AH

270 AH

1.5 hour discharge to 1.75 V

Full charged Battery at 25 (77 )

℃

℉

180 A

0.6 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 112.5 A

Voltage 2.35-2.40V

Voltage 2.25-2.30V

φ20

M8×20

SW24500(2V450AH)

900A

450A

225A

90A

45A

1.70

2.30

1.90

2.00

2.10

2.20

1.80

1.60

1.50

(h)

(min)

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)

SHENZHEN SUNNYWAY BATTERY TECH CO.,LTD.

Nominal Voltage

Rated capacity (10 hour rate)

Total Height

Height

Length

Width

Dimensions

Weight Approx

Specifications

2 V

450 Ah

356 mm (14.0 inches)

330 mm (13.0 inches)

211 mm (8.31 inches)

176 mm (6.92 inches)

26.5 Kg (58.4 lbs)

10min

30min

1h

2h

3h

4h

5h

8h

10h

20h

A

895.5

513.0

270.0

157.5

116.1

90.0

75.79

52.1

49.5

25.7

W

1760

918

522

306

225

175.5

144.0

99.0

92.3

49.0

A

850.5

499.5

253.8

150.3

112.5

87.8

74.3

51.2

46.6

25.2

W

1692

909

491

288

216

171.0

139.5

99.0

87.8

48.2

A

805.5

459.0

247.5

146.7

109.8

86.4

73.6

50.6

45.9

24.9

W

1638

855

473

284

212

166.5

137.7

97.7

86.9

47.3

A

760.5

423.0

238.5

143.1

107.1

85.1

69.3

49.3

45.0

24.6

W

1575

824

455

279

207

162.9

135.0

94.5

86.4

46.8

A

715.5

378.0

225.0

139.5

103.5

82.5

68.0

48.0

43.9

24.3

W

1485

756

441

275

207

159.8

134.1

90.5

85.5

46.1

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

Time

1.60V

1.85V

1.70V

1.75V

1.80V