Panasonic LC-XC1228AP User Manual

Lc-xc1228ap, Vrla batteries august 2003, Specifications characteristics

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VRLA BATTERIES

AUGUST 2003

VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET

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.

For main power supplies.
Cycle long life type.

LC-XC1228AP

Specifications

Characteristics

Dimensions (mm)

Discharge characteristics 77°F (25°C)

(Note)

Duration of discharge vs. Discharge current

(Note)

Photo/Label for reference only.

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

Terminal type: LC-XC1228AP: M5 threaded post

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

2000

1000

100

10

1

1

3

5

10

30

50

100

Dur

ation of Discharge (min

utes)

Discharge Current (A)

0˚C

25˚C

40˚C

6.43 (163.4)

0.39 (9.8)

4.88 (124)

6.890

±0.079 (

175±

2)

0.33 (8.3)

0.09 (2.2)

0.47 (12)

4.921±0.079 (125±2)

0.47 (12)

6.496±0.079 (165±2)

5.28 (134)

3.54 (90)

1.79 (45.5)

+

0

1

10

100

1000 2000

14.4

13.8

13.2

12.6
12.0
11.4

10.8

10.2

9.6

9.0

8.4

7.8

7.2

Duration of Discharge (minutes)

T

e

rminal V

oltage

(V)

1.4A

7A

28A

Nominal Voltage

Rated Capacity (20 hour rate)

12V

28Ah

6.496 inches (165 mm)

4.921 inches (125 mm)

6.890 inches (175 mm)

7.07 inches (179.5 mm)

24.34 lbs. (11 kg)

LC-XC1228AP

Dimensions

Standard Terminals

and Resin

Length

Width

Height

Total Height

Approx. mass

UL94HB M5 Threaded Post

Capacity

(note)

77˚F (25˚C)

Self discharge

77˚F (25˚C)

14A

102%
100%

85%
65%

20 hour rate (1.4A)
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

28Ah

26.5Ah

24Ah
18Ah

Internal Resistance

Fully charged battery

77˚F (25˚C)

Residual capacity

after standing 3 months

Residual capacity

after standing 6 months

Residual capacity

after standing 12 months

91%

82%

64%

Approx. 10m

11.2 A or smaller

Initial current

Control voltage

14.5V to 14.9V

(per 12V cell 25˚C)

104˚F (40˚C)

77˚F (25˚C)
32˚F (0˚C)

5˚F (-15˚C)

Temperature

dependency

of capacity

(20 hour rate)

Charge
Method

(Constant

Voltage)

Cycle use

(Repeating

use)

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