TEMPEST \ TR26-12B

Tempest TR26-12B

Nominal Voltage

12 V

Rated Capacity (20 hour rate)

26AH

Dimension

Total Height
(with terminals)

4.92in

Height

4.92 in

Length

6.50 in

Width

6.93 in

Weight (Approx)

20.28 lbs

Capacity
(77oF/25oC)

20 hour rate (1.3A)

26AH

10 hour rate (2.42A)

24.2AH

5 hour rate (4.42A)

22.1AH

1 hour rate (15.6A)

15.6AH

15 min. rate (45.52A)

11.38AH

Internal Resistance

Fully Charged 77oF/25oC

10mW

Capacity Affected by Temperature
(77oF/25oC)

104°F (40°C)

102%

77°F (25°C)

100%

32°F (0°C)

85%

5°F (-15°C)

65%

Self Discharge
(77oF/25oC)

Capacity after 3 month storage

91%

Capacity after 6 month storage

82%

Capacity after 12 month storage

64%

Max. Discharge Current
(77oF/25oC)

390A (5S)

Terminal

Standard

F13

Optional

 

Charging (Constant Voltage)

Cycle

Initial Charging Current 5.2A (recommended)
14.5~14.9V/ 77°F (25°C)

Float

13.6~13.8V/77°F (25°C)

Cut-Off Voltage

30min

1 hr

3 hr

5 hr

12 hr

24 hr

1.60V

53.0

35.5

14.5

9.64

4.14

2.10

1.65V

52.6

34.9

14.3

9.64

4.14

2.10

1.70V

50.6

33.8

13.8

9.64

4.14

2.10

1.75V

50.4

33.2

13.6

9.50

4.14

2.10

1.80V

49.8

32.5

13.3

9.32

4.12

2.10

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