TEMPEST\TH1221WB

 

HIGH RATE Series Designed Service Life: 8~10 Years (Float Charge)

TH1221WB

           12Volt - 21 WATTS PER CELL             @15 MINS TO 1.67 Volt PER CELL

Nominal Voltage

12V

Rated Capacity (10 hour rate)

4.5AH @ 1.75 volts per cell

Dimension

Total Height
(with terminals)

4.09 in.

Height

4.06 in.

Length

5.51 in.

Width

1.89 in

Weight (Approx)

4.41 lbs.

Capacity
(77oF/25oC)

10 hour rate (450mA)

4.5AH

5 hour rate (810mA)

4.05AH

1 hour rate (3.38A)

3.38AH

 

 

 

 

Internal Resistance

Fully Charged 77oF/25oC

21mW

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

88%

Capacity after 6 month storage

76%

Capacity after 12 month storage

53%

Max. Discharge Current
(77oF/25oC)

67.5A (5S)

Terminal

Standard

SPECIAL

Optional

 

Charging (Constant Voltage)

Cycle

Initial Charging Current 900mA (recommended)
14.5~14.9V/ 77°F (25°C)

Float

13.6~13.8V/77°F (25°C)

Cut-Off Voltage

5min

10min

15min

30min

40min

60min

1.50V

44.5

30.0

22.8

12.8

10.1

7.4

1.60V

43.5

29.1

21.9

12.6

9.9

7.2

1.67V

42.6

28.1

21.0

12.4

9.7

7.1

1.70V

40.9

27.3

20.1

12.1

9.5

7.0

1.75V

39.1

26.4

19.3

11.7

9.3

7.0

| Back |