Capacity

affected

by Temperature

(10hour rate)

Terminal

Cycle

Float

Capacity

25℃(77℉)

Internal Resistance

Charge

(constant

Voltage)

10 hour rate(40 A)

5 hour rate(64A)

1 hour rate(240 A)

400 AH

320 AH

240 AH

1.5 hour discharge to 1.75 V

Full charged Battery at 25 (77 )

℃

℉

160 A

0.7 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 100 A

Voltage 2.35-2.40V

Voltage 2.25-2.30V

φ20

M8×20

SW24000E(2V400AH)

800A

400A

200A

80A

40A

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

400 Ah

356 mm (14.0 inches)

330 mm (13.0 inches)

211 mm (8.31 inches)

176 mm (6.92 inches)

25.0 Kg (55.1 lbs)

10min

30min

1h

2h

3h

4h

5h

8h

10h

20h

A

796.0

456.0

240.0

140.0

103.2

80.0

67.37

46.3

44.0

22.8

W

1564

816

464

272

200

156.0

128.0

88.0

82.0

43.6

A

756.0

444.0

225.6

133.6

100.0

78.0

66.0

45.5

41.4

22.4

W

1504

808

436

256

192

152.0

124.0

88.0

78.0

42.8

A

716.0

408.0

220.0

130.4

97.6

76.8

65.4

45.0

40.8

22.1

W

1456

760

420

252

188

148.0

122.4

86.8

77.2

42.0

A

676.0

376.0

212.0

127.2

95.2

75.6

61.6

43.8

40.0

21.8

W

1400

732

404

248

184

144.8

120.0

84.0

76.8

41.6

A

636.0

336.0

200.0

124.0

92.0

73.3

60.4

42.7

39.0

21.6

W

1320

672

392

244

184

142.0

119.2

80.4

76.0

41.0

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

Time

1.60V

1.85V

1.70V

1.75V

1.80V