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INDIVIDUAL DATA SHEETS

LC-X1228AP/ LC-X1228P

For standby power supplies. Expected trickle life: Approx. 6 years at 25°C, Approx. 10 years at 20°C.

Dimensions (mm)

Terminal Type: LC-X1228AP: M5 threaded post LC-X1228P: M5 bolt and nut

45.5

1 6 5 2 + -

134 90

8.3 2.2 12

1 2 5 2 + 12 -

9.8

Terminal voltage (V)

+

175 2

-

Duration of discharge

(Hour)

(Minute)

of capacity

0C

85 %

5

(20 hour rate)

-15C

65 %

4

Labels will vary, see page 72 for example of labels.

Sealed Lead-Acid Handbook, Page 62

January 2000

163.4

124

Battery case resin: Standard (UL94HB)

500

(a) The photo and dimensions represent LC-X1228AP

(Note) The above characteristics data are average values obtained within three charge/discharge. Cycles not the minimum values.

Capacity (25C)

(note)

20 hour rate (1.40A) 10 hour rate (2.65A) 5 hour rate (5.00A) 1 hour rate (21.0A) 1.5 hour rate discharge Cut-off voltage 10.5 V Fully charged battery (25C)

Internal resistance

Temperature dependency

40C 25C

Specifications

Nominal voltage Rated capacity (20 hour rate) Length Width Height Total Height Dimensions

Approx. mass

12V 28Ah

165 mm 125 mm 175 mm

LC-X1228AP: 175 mm

LC-X1228P

: 179.5 mm

11.0 kg

28.0Ah 26.5Ah 25.0Ah 21.0Ah

40

Duration of discharge vs. Discharge current

30

20 15

10

(note)

91%

82%

64%

Characteristics

102 % 100 %

Discharge characteristics (25C) (note)

Self discharge

(25C)

Residual capacity after standing 3 months Residual capacity after standing 6 months Residual capacity after standing 12 months

    • 4.20

      A or smaller

    • 13.6

      V to 13.8V

(per 12V cell 25C)

9.80A

Approx. 6.0m

13.5 13.0 12.5 12.0 11.5 11.0 10.5 10.0 9.5 9.0 8.5 8.0

  • 0

    1

Charge Method (Constant Voltage)

10

0˚C

  • -

    15˚C

40˚C

25˚C

5

3

1

100

Trickle use

Initial current

Control voltage

20

5

10 50

Discharge current (A)

56A

2

3

28A

14A

7A

2.8A 1.4A

20

2 1.5

1 50

40 30

4

Duration of discharge

6 8 10

(Minute)

20

40 60

2

4

6 8 10

(Hour)

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