Panasonic LC-X1228AP User Manual

VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET

)

LC-X1228P/LC-X1228AP

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

6.496±0.079 (165±2)

5.28 (134)

3.54 (90)

Photo/Label for reference only.

(a) The photo and dimensions represent LC-X1228AP.

Specifications

Nominal V oltage

Rated Capacity (20 hour rate)

Dimensions

Length

Width

Height

Total Height

6.496 inches (165 mm)

4.921 inches (125 mm)

7.07 inches (179.5 mm)

LC-X1228AP 6.890 inches (175 mm) LC-X1228P 7.067 inches (179.5 mm)

Approx. mass

Standard Terminals

and Resin

Optional Terminals

and Resin

♦ Please contact Panasonic for availability on optional items. Optional items may be subject to minimum

order quantities.

UL94HB M5 Bolt and Nut

UL94HB M5 Threaded Post

UL94V-0 M5 Bolt and Nut

UL94V-0 M5 Threaded Post

12V

28Ah

24.34 lbs. (11 kg) LC-X1228P LC-X1228AP

 LC-P1228P  LC-P1228AP

Characteristics

20 hour rate (1.40A)

Capacity

77˚F (25˚C)

(note)

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

Internal Resistance

Temperature dependency

of capacity

(20 hour rate)

Fully charged battery

77˚F (25˚C)

104˚F (40˚C)

77˚F (25˚C) 32˚F (0˚C)

5˚F (-15˚C)

Residual capacity

Self discharge

77˚F (25˚C)

after standing 3 months

Residual capacity

after standing 6 months

Residual capacity

Charge Method

(Constant

after standing 12 months

Trickle use

Initial current

Control voltage

Voltage)

(Note) The above characteristics data are average values obtained

28.0Ah

26.5Ah

25.0Ah

21.0Ah

9.80A

Approx. 6.0mΩ

102% 100%

85% 65%

91% 82% 64%

4.20 A or smalle

13.6V to 13.8V

(per 12V cell 25˚C

Discharge characteristics 77°F (25°C)

13.5

13.0

12.5

12.0

11.5

11.0

10.5

10.0

9.5

9.0

8.5

Terminal voltage (V)

8.0

Duration of discharge vs. Discharge current

30 20

15 10

5 4

3 2

1.5 1

50 40

Duration of discharge

(Minute) (Hour)

5 3

6.43 (163.4)

Battery case resin: Standard (UL94HB) Color is black.

56A

0 1 2 4 6 8 10 20 40 60 2 4 6 8 10 20 40

(Minute) (Hour)

Duration of discharge

32˚F (0˚C)

5˚F (-15˚C)

1 5 10 50 100 500

Discharge current (A)

within three charge/discharge. Cycles not the minimum values.

This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to modification without notice. Contact Panasonic for the latest information.

VRLA BATTERIES AUGUST 2005

LC-X1228P: M5 bolt and nut

1.79 (45.5)

4.921±0.079 (125±2

0.33 (8.3)

0.09 (2.2)

0.47 (12)

0.39 (9.8)

6.890±0.079 (175±2)

0.47 (12)

4.88 (124)

Optional (UL94V-0) Color is grey.

(Note)

2.8A

14A

28A

104˚F (40˚C)

77˚F (25˚C)

1.4A

(Note)