LC-XC1228AP Datasheet, PDF (1/1 Pages) Panasonic Battery Group – VALVE-REGULATED LEAD ACID BATTERIES:

VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET
LC-XC1228AP
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)
4.921±0.079 (125±2)
0.47 (12)
Photo/Label for reference only.
Specifications
Nominal Voltage
Rated Capacity (20 hour rate)
Length
12V
28Ah
6.496 inches (165 mm)
Dimensions
Width
Height
4.921 inches (125 mm)
6.890 inches (175 mm)
Total Height
7.07 inches (179.5 mm)
Approx. mass
24.34 lbs. (11 kg)
Standard Terminals
and Resin
UL94HB M5 Threaded Post
LC-XC1228AP
Characteristics
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)
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
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
28Ah
26.5Ah
24Ah
18Ah
14A
Approx. 10mΩ
102%
100%
85%
65%
91%
82%
64%
11.2 A or smaller
Control voltage
14.5V to 14.9V
(per 12V cell 25˚C)
(Note) The above characteristics data are average values obtained
within three charge/discharge. Cycles not the minimum values.
6.43 (163.4)
4.88 (124)
Battery case resin: Standard (UL94HB) Color is black.
Discharge characteristics 77°F (25°C) ^(Note)
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
7A
1.4A
28A
1
10
100
1000 2000
Duration of Discharge (minutes)
Duration of discharge vs. Discharge current ^(Note)
2000
1000
0˚C
100
40˚C
25˚C
10
1
1
35
10
30 50 100
Discharge Current (A)
VRLA BATTERIES
AUGUST 2005
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.