LC-X1228AP Datasheet, PDF (1/1 Pages) Panasonic Battery Group – VALVE-REGULATED LEAD ACID BATTERIES:

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
LC-X1228P: M5 bolt and nut
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.
(a) The photo and dimensions represent LC-X1228AP.
Specifications
Nominal Voltage
Rated Capacity (20 hour rate)
Length
12V
28Ah
6.496 inches (165 mm)
Dimensions
Width
Height
Total Height
Approx. mass
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)
24.34 lbs. (11 kg)
Standard Terminals
and Resin
Optional Terminals
and Resin
UL94HB M5 Bolt and Nut
UL94HB M5 Threaded Post
UL94V-0 M5 Bolt and Nut
UL94V-0 M5 Threaded Post
LC-X1228P
LC-X1228AP
 LC-P1228P
 LC-P1228AP
♦ Please contact Panasonic for availability on optional items. Optional items may be subject to minimum
order quantities.
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)
Trickle use
20 hour rate (1.40A)
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
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
28.0Ah
26.5Ah
25.0Ah
21.0Ah
9.80A
Approx. 6.0mΩ
102%
100%
85%
65%
91%
82%
64%
4.20 A or smaller
Control voltage
13.6V to 13.8V
(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.
Optional (UL94V-0) Color is grey.
Discharge characteristics 77°F (25°C) ^(Note)
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
01
14A ^7A
28A
56A
2.8A 1.4A
2 4 6 8 10 20 40 60 2
(Minute)
4 6 8 10 20 40
(Hour)
Duration of discharge
Duration of discharge vs. Discharge current ^(Note)
30
20
15
10
5
4
3
104˚F (40˚C)
2
1.5
77˚F (25˚C)
1
50
32˚F (0˚C)
40
30
5˚F (-15˚C)
20
10
5
3
1
5
10
50 100
500
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.