Shimastu Electronic Technology Co.,Limited

70Ah GEL Battery

70Ah GEL Battery

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Description
Technical Parameters
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PHYSICAL SPECIFICATION

Nominal Voltage
Nominal Capacity (10HR)

12V
70Ah

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Dimension

Length
Width
Container Height
Total Height

259±2mm (10.20 inches)
168±2mm (6.61 inches)
208±2mm (8.23 inches)
213±2mm (8.94 inches)


Weight

Approx. 21.7 Kg ±3%(47.8lbs)


Standard Terminal

Bolt-and-nut terminal
Bolt Type: M6


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The Shimastu Gel series Gel Batteries boast unique separators and silica gel which immobilize the electrolyte within the battery. These qualities make the battery ideal for applications that require frequent cyclic deep discharge or standby functions even in harsh environments. Additionally, it has an impressively long service life, making it a reliable option for various applications.

Features:

25℃(77℉)15。0F )

The active material is prevented from falling off due to the equalized distribution of current. We can rearrange this information to create a new sentence: The current distribution is well-balanced, which helps keep the active material securely in place.

3.High gas recombination efficiency

4.Good deep discharge resilience performance

5.No delamination phenomena in the electrolyte

6.Manufactured with high-porosity­


ELECTRICAL SPECIFICATION


Characteristics

Discharge curves @ 25℃ (77 °F)


Capacity

10 hour rate (7.0A)

5 hour rate (11.9A)

3 hour rate (17.5A)

1 hour rate (38.5A)

70Ah

59.5Ah

52.5Ah

38.5Ah

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Capacity affected
by temperature

40℃ (104 0F)

25℃ (77 0F)

0℃ (32 0F)

102%

100%

85%


Max Discharge Current

700A(5 Sec)


Short Circuit Current

1480A


Internal Resistance

Full charged battery (25℃,77 0F) 6mΩ


Constant Voltage
Charge

Cycle

Initial Charging Current less than 17.5A

Voltage 14.1~14.4V at 25℃ (77 0F )

Temperature Coefficient –18mV/℃


Standby

No limit on Initial Charging Current

Voltage 13.5~13.8V at 25℃ (77 0F )

Temperature Coefficient –18mV/℃


CONSTANT CURRENT DISCHARGE RATING A@25℃

F.V/TIME

10MIN

15MIN

30MIN

1HR

3HR

5HR

8HR

10HR

20HR

1.60V

168.3

126.7

75.7

43.4

19.8

13.3

8.90

7.41

3.86

1.65V

159.0

121.1

72.8

41.8

19.2

12.9

8.78

7.31

3.81

1.70V

146.4

113.4

69.6

40.2

18.7

12.6

8.65

7.19

3.75

1.75V

134.0

105.6

66.3

38.5

18.1

12.2

8.53

7.09

3.71

1.80V

121.3

97.5

63.4

37.1

17.5

11.9

8.39

7.00

3.67

CONSTANT POWER DISCHARGE RATING WATT PER CELL@25℃

F.V/TIME

10MIN

15MIN

30MIN

1HR

3HR

5HR

8HR

10HR

20HR

1.60V

286.0

221.5

137.5

81.6

37.8

25.6

17.5

14.6

7.59

1.65V

275.5

214.9

133.6

78.9

36.8

24.9

17.2

14.4

7.49

1.70V

258.4

204.3

129.1

76.4

35.9

24.4

17.0

14.2

7.40

1.75V

240.6

192.9

124.2

73.7

35.1

23.8

16.8

14.0

7.32

1.80V

221.6

180.6

120.0

71.4

34.0

23.3

16.6

13.8

7.28


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