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INDIVIDUAL DATA SHEETS

LC-X1242AP /LC-X1242P

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

Dimensions (mm)

Terminal Type: LC-X1242AP: M5 threaded post LC-X1242P: M6 bolt and nut

61

197+ 2 155 111 -

8.3 2.2 11.5

1 6 5 2 + 27.5 -

9.8

Labels will vary, see page 72 for example of labels. (a) The photo and dimensions represent LC-X1242AP

+

175 2

-

Specifications

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

12V 42Ah

197 mm 165 mm 175 mm

LC-X1242AP: 175 mm LC-X1242P: 180 mm

Approx. mass

16.0 kg

Characteristics

(note) Capacity (25C)

Internal resistance

Temperature dependency of capacity (20 hour rate)

Self discharge

(25C)

20 hour rate (2.1A) 10 hour rate (4.0A) 5 hour rate (7.4A) 1 hour rate (26.0A) 1.5 hour rate discharge Cut-off voltage 10.5 V Fully charged battery (25C)

40C 25C 0C

  • -

    15C

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

42.0Ah 40.0Ah 37.0Ah 26.0Ah

15.5A

Approx. 8.0m

102 % 100 % 85 % 65 %

91%

82%

64%

195.2

164

Battery case resin: Standard (UL94HB) (note) Discharge characteristics (25C)

Terminal voltage (V)

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

2

4

42A

21A

10.5A 4.2A

84A

6 8 10

20

40 60

2

4

(Minute) Duration of discharge

6 8 10 (Hour)

2.1A

20

40

Duration of discharge vs. Discharge current

(note)

30

20 15

10

(Hour)

5 4

40˚C

Duration of discharge

3

2 1.5

1 50

40 30

0˚C

  • -

    15˚C

25˚C

Charge Method (Constant Voltage)

Trickle use

Initial current

Control voltage

    • 6.30

      A or smaller

    • 13.6

      V to 13.8V

(per 12V cell 25C)

(Minute)

20

10

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

5

3

1

5

10 50

100

500

Discharge current (A)

Sealed Lead-Acid Handbook, Page 66

January 2000

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