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INDIVIDUAL DATA SHEETS

LC-RB124P

For main and standby power supplies. Expected trickle life: 3-5 years at 25°C, Approx. 5 years at 20°C.

Dimensions (mm)

Terminal type: Faston 187 or Faston 250 with hole

9 0 + -

1

+ - 7 0

1

75

6

20

1.5

+

-

102

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

Specifications

89.2

0.3

69.2

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

12V 4.0Ah

90.0 mm 70.0 mm 102 mm 108 mm 1.74 kg

Battery case resin: Standard (UL94HB)

Discharge characteristics (25C) (note)

Terminal voltage (V)

14.4 13.8 13.2 12.6 12.0 11.4 10.8 10.2 9.6 9.0 8.4 7.8

12A

8.0A

4.0A

1.6A

0.8A

0.4A 0.2A

Characteristics

  • 0

    1

2

4 6 8 10 (Minute)

20

40 60

2

4 6 8 10 20 (Hour)

40

(note) Capacity (25C)

Internal resistance

Temperature dependency of capacity (20 hour rate)

Self discharge

(25C)

20 hour rate (200mA) 10 hour rate (370mA) 5 hour rate (660mA) 1 hour rate (2700mA) 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

4.00Ah

    • 3.70

      Ah

    • 3.30

      Ah

    • 2.70

      Ah

    • 1.90

      A

A p p r o x . 5 0 m

102 % 100 % 85 % 65 %

91%

82%

64%

Duration of discharge

Duration of discharge vs. Discharge current

30

20 15

10

Duration of discharge

(Hour)

5 4

3

2 1.5

1 50

40 30

  • -

    15˚C

0˚C

25˚C

40˚C

(note)

Charge Method (Constant Voltage)

Cycle use (Repeating use)

Trickle use

Initial current

Control voltage

Initial current

Control voltage

    • 1.60

      A or smaller

    • 14.5

      V to 14.9V

(per 12V cell 25C)

    • 0.60

      A or smaller

    • 13.6

      V to 13.8V

(per 12V cell 25C)

(Minute)

20

10

5

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

3

100

200 300 (mA)

500

1

2

3

(A)

5

7

10

20

Discharge current

Sealed Lead-Acid Handbook, Page 45

January 2000

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