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VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET
LC-XC1228AP
Specifications
Nominal Voltage
Rated Capacity (20 hour rate)
Length
Width
Dimensions
Height
Total Height
Approx. mass
Standard Terminals
UL94HB M5 Threaded Post
and Resin
Characteristics
20 hour rate (1.4A)
10 hour rate (2.65A)
(note)
Capacity
5 hour rate (4.8A)
1 hour rate (18A)
77˚F (25˚C)
1.5 hour rate discharge
Cut-off voltage 10.5 V
Fully charged battery
Internal Resistance
Temperature
dependency
of capacity
(20 hour rate)
Residual capacity
after standing 3 months
Self discharge
Residual capacity
77˚F (25˚C)
after standing 6 months
Residual capacity
after standing 12 months
Charge
Cycle use
Method
(Repeating
(Constant
Control voltage
use)
Voltage)
(Note) The above characteristics data are average values obtained
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.
Photo/Label for reference only.
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
28Ah
26.5Ah
24Ah
18Ah
14A
Approx. 10m
77˚F (25˚C)
104˚F (40˚C)
102%
100%
77˚F (25˚C)
85%
32˚F (0˚C)
5˚F (-15˚C)
65%
91%
82%
64%
Initial current
11.2 A or smaller
14.5V to 14.9V
(per 12V cell 25˚C)
VRLA BATTERIES
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)
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
8.4
7.8
7.2
0
1
Duration of Discharge (minutes)
Duration of discharge vs. Discharge current
2000
1000
0˚C
100
10
1
1
3
Discharge Current (A)
4.921±0.079 (125±2)
0.47 (12)
4.88 (124)
(Note)
1.4A
7A
28A
10
100
1000 2000
(Note)
40˚C
25˚C
5
10
30
50
100
AUGUST 2003
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