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INDIVIDUAL DATA SHEETS

LC-XC1228AP/ LC-XC1228P

For main power supplies. Cycle long life type.

Dimensions (mm)

Terminal Type: LC-XC1228AP: M5 threaded post LC-XC1228P: 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)

Internal resistance

Fully charged battery

A pprox. 6.0m

20

(25C)

15

Temperature

40C

102 %

10

dependency

25C

100 %

Labels will vary, see page 72 for example of labels. (a) The photo and dimensions represent LC-XC1228AP

Sealed Lead-Acid Handbook, Page 63

January 2000

of capacity

0C

85 %

(20 hour rate)

-15C

65 %

163.4

124

Battery case resin: Standard (UL94HB)

Specifications

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

Approx. mass

500

12V 28Ah

Characteristics

(note) Capacity (25C)

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

28.0Ah 26.5Ah 25.0Ah 21.0Ah

9.80A

40

Duration of discharge vs. Discharge current

30

(note)

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

Cycle use

Initial Current

11.2 A or smaller

(Repeating use)

Control voltage

14.5V to 14.9V (per 12V cell 25C)

165 mm 125 mm 175 mm

Discharge characteristics (25C) (note)

LC-XC1228AP: 179.5 mm LC-XC1228P: 175 mm

11.0 kg

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

Self discharge

(25C)

Charge

Method (Constant Voltage)

10

0˚C

  • -

    15˚C

40˚C

25˚C

5

3

1

100

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

91%

82%

64%

56A

2

20

5

10 50

Discharge current (A)

28A

14A

7A

2.8A 1.4A

20

5 4

4

3

Duration of discharge

2 1.5

1 50

40 30

6 8 10

(Minute)

20

40 60

2

4

6 8 10

(Hour)

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