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INDIVIDUAL DATA SHEETS

LC-R122R2PU

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

34

1 + -

177

  • +

    1.5

    • -

      0.5

6

10.1

173.3

2.8

1

+

-

60

176

0.3

33.5

Battery case resin: Standard (UL94HB)

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

Discharge characteristics (25C) (note)

Specifications

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

12V 2.2Ah

177 mm 34.0 mm 60.0 mm 66.0 mm 0.80 kg

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

  • 0

    1

2

2.2A

1.1A

0.55A

0.22A 0.11A

4 6 8 10

20

40 60

2

4 6 8 10 20

(Minute)

(Hour)

Duration of discharge

40

Characteristics

Duration of discharge vs. Discharge current

(note)

(note) Capacity (25C)

Internal resistance

Temperature dependency of capacity (20 hour rate)

Self discharge

(25C)

20 hour rate (110mA) 10 hour rate (200mA) 5 hour rate (360mA) 1 hour rate (1300mA) 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

2.20Ah 2.00Ah

    • 1.80

      Ah

    • 1.30

      Ah

    • 0.95

      A

A p p r o x . 7 0 m

102 % 100 % 85 % 65 %

91%

82%

64%

Duration of discharge

(Hour)

(Minute)

30

20 15

10

5 4

3

2 1.5

1 50

40 30

20

10

0˚C

  • -

    15˚C

40˚C

25˚C

Charge Method (Constant Voltage)

Cycle use (Repeating use)

Trickle use

Initial current

Control voltage

Initial current

Control voltage

    • 0.88

      A or smaller

    • 14.5

      V to 14.9 V

(per 12V cell 25C)

    • 0.33

      A or smaller

    • 13.6

      V to 13.8 V

(per 12V cell 25C)

5

3 30

50

100

300 500

1

(mA) Discharge current

3

(A)

5

10

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

Sealed Lead-Acid Handbook, Page 40

January 2000

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