INDIVIDUAL DATA SHEETS
LC-X1228AP/ LC-X1228P
For standby power supplies.
Expected trickle life: 6 years at 25擄C, 10 years at 20擄C.
Dimensions (mm)
Terminal Type: LC-X1228AP: M5 threaded post
LC-X1228P: M5 bolt and nut
165
+
2
-
45.5
125
+
2
9.8
8.3
2.2
12
134
90
-
12
Labels will vary, see page 68 for example of labels.
(a) The photo and dimensions represent LC-X1228AP
Specifications
Nominal voltage
Rated capacity
(20 hour rate)
Length
Width
Dimensions
Height
Total Height
Approx. mass
Country of origin
12V
28Ah
165 mm
125 mm
175 mm
LC-X1228AP: 175 mm
LC-X1228P: 179.5 mm
163.4
175
+
2
-
124
Battery case resin: Standard (UL94HB)
Discharge characteristics (25擄C)
(note)
擄
Terminal voltage (V)
13.0
12.0
11.0
10.0
9.0
56A
28A
14A
7A
2.8A 1.4A
11.0 kg
Republic of China
8.0
0
1
2
4
6 8 10
20
40 60
2
4
6 8 10
20
40
Characteristics
Capacity
(note)
(25擄C)
20 hour rate (1.4A)
10 hour rate (2.65A)
5 hour rate (5.0A)
1 hour rate (21.0A)
1.5 hour rate discharge
Cut-off voltage 10.5 V
Fully charged battery
(25擄C)
40擄C
25擄C
0擄C
-15擄C
Residual capacity
after standing 3 months
Residual capacity
after standing 6 months
Residual capacity
after standing 12 months
28.0Ah
26.5Ah
25.0Ah
21.0Ah
9.8A
Approx. 6m鈩?/div>
102 %
100 %
85 %
65 %
91%
82%
64%
(Hour)
(Minute)
(Hour)
Duration of discharge
Duration of discharge vs. Discharge current
(note)
30
20
15
10
Internal resistance
Temperature
dependency
of capacity
(20 hour rate)
Self discharge
(25擄C)
Duration of discharge
5
4
3
2
1.5
1
50
40
30
40藲C
25藲C
0藲C
Charge
13.6 to 13.8 V
Method
Control
Trickle use
(Constant
voltage
(per 12V cell 25擄C)
Voltage)
(Note) The above characteristics data are average values obtained within three
charge/discharge Cycles not the minimum values.
(Minute)
20
-15藲C
10
5
3
1
5
10
50
100
500
Discharge current (A)
Sealed Lead-Acid Handbook, January 1999