Reserve Deep Cycle Battery 12V28AH Railway System Battery

Nominal Voltage

12 V

Capacity

(25℃)

20HR(10.5V)

28 Ah

10HR(10.5V)

26Ah

1HR(9.60V)

17.7Ah

Dimension

Length

166±2mm (6.54inch)

Width

175±2mm (6.89inch)

Height

125±2mm (4.92inch)

Total Height

125±2mm (4.92inch)

Approx. Weight

8.6kg (19.0lbs)±4%

Terminal type

T3/T8

Internal resistance

(Fully charged, 25℃)

Approx. 10mΩ

Capacity affected by temperature (20HR)

40℃

102%

25℃

100%

0℃

85%

-15℃

65%

Self-discharge

(25℃)

3 month

Remaining Capacity: 91%

6 month

Remaining Capacity: 82%

12 month

Remaining Capacity: 65%

Nominal operating temperature

25℃±3℃(77℉±5℉)

Operating temperature range

Discharge

-15℃~50℃(5℉~122℉)

Charge

-10℃~50℃(14℉~122℉)

Storage

-20℃~50℃(-4℉~122℉)

Float charging voltage(25℃)

13.60 to 13.80V

Temperature compensation:

-18mV/℃

Cyclic charging voltage(25℃)

14.50 to 14.90V

Temperature compensation:

-30mV/℃

Maximum charging current

8.4A

Terminal material

Copper

Maximum discharge current

420A(5 sec.)

Designed floating life(20℃)

12~15 years

F.V/TIME

10min

15min

30min

60min

2h

3h

4h

5h

8h

10h

20h

9.60V

66.1

51.8

28.9

17.7

9.95

7.14

5.71

4.86

3.14

2.64

1.42

9.90V

64.1

50.6

28.3

17.5

9.89

7.10

5.68

4.83

3.12

2.63

1.42

10.2V

61.5

48.7

27.5

17.0

9.80

7.05

5.64

4.79

3.10

2.62

1.41

10.5V

58.8

47.0

26.8

16.7

9.65

7.00

5.60

4.76

3.08

2.60

1.40

10.8V

55.5

44.6

25.8

16.2

9.41

6.79

5.43

4.62

2.99

2.55

1.37

F.V/TIME

10min

15min

30min

60min

2h

3h

4h

5h

8h

10h

20h

9.60V

746

591

331

205

116

84.8

68.0

58.0

37.7

31.7

17.1

9.90V

723

576

325

202

116

84.3

67.6

57.6

37.5

31.6

17.0

10.2V

693

555

315

197

115

83.7

67.2

57.2

37.2

31.4

16.9

10.5V

664

536

307

193

113

83.2

66.7

56.8

37.0

31.2

16.8

10.8V

626

508

296

187

110

80.7

64.7

55.1

35.9

30.6

16.5