VALVE-REGULATED LEAD ACID BATTERIES: INDIVIDUAL DATA SHEET
LC-X1220P/LC-X1220AP
For main and standby power supplies. Expected trickle life: Approx.
6 years at 25°C, Approx. 10 years at 20°C.
Dimensions (mm)
Terminal type: LC-X1220P: M5 bolt and nut
LC-X1220AP: M5 threaded post
2.992±0.079 (76±2)
0.492 (12.5)
0.217 (5.5)
0.040 (1)
7.126±0.079 (181±2)
0.197 (5)
0.197 (5)
4.429 (112.5)
0.886 (22)
0.443 (11)
Photo/Label for reference only.
(a) The photo and dimensions represent LC-X1220P.
7.067 (179.5)
6.575±0.079 (167±2)
6.043 (153.5)
2.933 (74.5)
Specifications
Nominal Voltage
Rated Capacity (20 hour rate)
Length
Dimensions
Width
Height
Total Height
Approx. mass
Standard Terminals
and Resin
Optional Terminals and
Resin
12V
20Ah
7.126 inches (181.0 mm)
2.992 inches (76.0 mm)
6.575 inches (167.0 mm)
6.575 inches (167.0 mm)
14.56 lbs. (6.6 kg)
LC-X1220P
LC-X1220AP
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
UL94HB M5 Bolt and Nut
UL94HB M5 Threaded Post
Terminal voltage (V)
20A
40A
60A
0
1 2
4 6 810
20
40 60
5A
2A
1A
♦
Please contact Panasonic for availability on optional items. Optional items may be subject to minimum
order quantities.
2
4 6 810
20
40
Characteristics
20 hour rate (1.2A)
10 hour rate (2.2A)
Capacity
(note)
5 hour rate (3.8A)
1 hour rate (14A)
77˚F (25˚C)
1.5 hour rate discharge
Cut-off voltage 10.5 V
Fully charged battery
Internal Resistance
77˚F (25˚C)
Temperature
104˚F (40˚C)
dependency
77˚F (25˚C)
of capacity
32˚F (0˚C)
(20 hour rate)
5˚F (-15˚C)
Residual capacity
after standing 3 months
Self discharge
Residual capacity
77˚F (25˚C)
after standing 6 months
Residual capacity
after standing 12 months
Initial current
Cycle use
Charge
(Repeating
Control voltage
use)
Method
(Constant
Initial current
Voltage)
Trickle use
Control voltage
20Ah
18Ah
16Ah
12Ah
9.8A
Approx. 11mΩ
102%
100%
85%
65%
91%
82%
64%
8 A or smaller
14.5 V to 14.9 V
(per 12V cell 25˚C)
3 A or smaller
13.6V to 13.8V
(per 12V cell 25˚C)
(Hour)
(Minute)
(Hour)
Duration of Discharge
Duration of discharge vs. Discharge current
30
20
15
10
(Note)
5
4
3
2
1.5
1
50
40
30
32˚F (0˚C)
104˚F (40˚C)
77˚F (25˚C)
Duration of discharge
(Minute)
20
5˚F (-15˚C)
10
5
3
(Note) The above characteristics data are average values obtained
within three charge/discharge. Cycles not the minimum values.
(Note) For cycle use of the battery, please contact us in advance.
300 500
1
3
5
10
30
50
100
(mA)
(A)
Discharge current
VRLA BATTERIES PAGE 49
AUGUST 2005
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