Shimastu Electronic Technology Co.,Limited

Valve Regulated Lead Acid Battery 12V 7AH

Valve Regulated Lead Acid Battery 12V 7AH

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Description
Technical Parameters
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PHYSICAL SPECIFICATION

Nominal Voltage
Nominal Capacity (20HR)

12V

7Ah

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Dimension

Length
Width
Container Height
Total Height

151±1mm (5.94 inches)

65±1mm (2.56 inches)

95±1mm (3.74 inches)

101±1mm (3.98 inches)

Weight

Approx. 2.0 Kg ±3% (4.41 lbs)

Standard Terminal

Fasten Tab No.187E(F1)

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Shimastu NP series AGM VRLA Batteries have

These valve-regulated lead acid batteries with high-quality Absorbed Glass Matt (AGM) separators and high purity raw materials have been specifically designed and developed to serve as versatile general-purpose batteries. They exhibit excellent performance and offer a dependable standby service life. You can rely on their exceptional quality and performance for a wide range of applications. The use of AGM separators and high purity materials further enhances their reliability and overall effectiveness. Rest assured, these batteries are capable of delivering optimal performance and long-lasting service.

Features:
1.Non-spillable
2.Sealed and Maintenance-free Operation
3.High Quality and High Reliability
4.Less gassing,low Self-discharge
5.Low internal resistance
The design life of up to 6 years in float service at 25℃ (77℉) ensures a long-lasting and reliable performance.0F )­

ELECTRICAL SPECIFICATION

Characteristics

Discharge curves @ 25℃ (77 °F)

Capacity

20 hour rate (0.35A)

10 hour rate (0.658A)

5 hour rate (1.19A)

3 hour rate (1.75A)

1 hour rate (3.85A)

7.0Ah

6.6Ah

6.0 Ah

5.3 Ah

3.9Ah

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Capacity affected
by temperature

40℃ (104 0F)

25℃ (77 0F)

0℃ (32 0F)

102%

100%

85%

Max Discharge Current

70A(5 Sec)

Short Circuit Current

340A

Internal Resistance

Full charged battery (25℃,77 0F) 25mΩ

Constant Voltage
Charge

Cycle

Initial Charging Current less than 2.1A

Voltage 14.4~15.0V at 25℃ (77 0F )

Temperature Coefficient –30mV/℃

Standby

No limit on Initial Charging Current

Voltage 13.5~13.8V at 25℃ (77 0F )

Temperature Coefficient –20mV/℃


CONSTANT CURRENT DISCHARGE RATING A@25℃

F.V/TIME

5MIN

10MIN

15MIN

30MIN

1HR

3HR

5HR

10HR

20HR

1.60V

26.83

18.96

13.71

7.871

4.305

1.982

1.324

0.691

0.365

1.65V

24.95

17.92

13.10

7.556

4.161

1.925

1.292

0.683

0.360

1.70V

22.50

16.49

12.27

7.222

4.004

1.866

1.257

0.676

0.354

1.75V

20.16

15.10

11.42

6.903

3.850

1.808

1.223

0.665

0.350

1.80V

17.71

13.67

10.54

6.598

3.710

1.750

1.190

0.658

0.346

CONSTANT POWER DISCHARGE RATING WATT PER CELL@25℃

F.V/TIME

5MIN

10MIN

15MIN

30MIN

1HR

3HR

5HR

10HR

20HR

1.60V

44.47

32.21

23.96

14.30

8.091

3.786

2.552

1.358

0.720

1.65V

41.82

31.06

23.23

13.87

7.863

3.692

2.500

1.346

0.708

1.70V

38.58

29.09

22.09

13.39

7.613

3.596

2.442

1.332

0.699

1.75V

35.35

27.12

20.87

12.93

7.365

3.499

2.383

1.313

0.692

1.80V

31.70

24.98

19.53

12.48

7.139

3.398

2.325

1.298

0.684



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