Panasonic LC-XC1228AP User Manual

VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET

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LC-XC1228AP

Photo/Label for reference only.

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)

6.890 inches (175 mm)

7.07 inches (179.5 mm)

Approx. mass

Standard Terminals

and Resin

UL94HB M5 Threaded Post

Characteristics

20 hour rate (1.4A)

Capacity

(note)

77˚F (25˚C)

Internal Resistance

Temperature
dependency

of capacity

(20 hour rate)

Self discharge

77˚F (25˚C)

Charge
Method

(Constant

Voltage)

Cycle use

(Repeating

use)

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

10 hour rate (2.65A)
5 hour rate (4.8A)
1 hour rate (18A)

1.5 hour rate discharge
Cut-off voltage 10.5 V

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

after standing 3 months

Residual capacity

after standing 6 months

Residual capacity

after standing 12 months

Initial current

Control voltage

12V

28Ah

24.34 lbs. (11 kg)
LC-XC1228AP

28Ah

26.5Ah
24Ah
18Ah

14A

Approx. 10mΩ

102%
100%

85%
65%

91%
82%
64%

11.2 A or smalle

14.5V to 14.9V

(per 12V cell 25˚C

For main power supplies.
Cycle long life type.

Dimensions (mm)

Terminal type: LC-XC1228AP: M5 threaded post

+

6.496±0.079 (165±2)

5.28 (134)

3.54 (90)

6.43 (163.4)

1.79 (45.5)

0.33 (8.3)

0.09 (2.2)

0.47 (12)

0.39 (9.8)

4.921±0.079 (125±2

0.47 (12)

6.890±0.079 (175±2)

4.88 (124)

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

Discharge characteristics 77°F (25°C)

14.4

13.8

13.2

12.6

12.0

11.4

10.8

10.2

9.6

9.0

T erminal V oltage (V)

8.4

7.8

7.2
0 1 10 100

Duration of Discharge (minutes)

28A

(Note)

1.4A

7A

1000 200

Duration of discharge vs. Discharge current

2000

1000

0˚C

25˚C

13510305010

Discharge Current (A)

Duration of Discharge (minutes)

100

10

1

40˚C

(Note)

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 2003