Datasheet

108
Valve Regulated Lead-Acid Batteries
109
Valve Regulated Lead-Acid Batteries
Individual Data Sheets
8.9
M5
16
5.61
M5
Nominal voltage
12V
Nominal capacity (20 hour rate)
28Ah
Dimensions
Length
165mm
Width
125mm
Height
175mm
Total Height
179.5mm
Approx. mass
10kg
Terminal M5 Bolt and Nut type
Specifications
Dimensions (mm)
Duration of discharge vs Discharge current
1
3
5
10
30
60
3
5
10
20
30
)etunim(
)ruoh(
40 °C
25 °C
0 °C
-15 °C
0.3 1 3 10 30 100
Discharge current (A)
egrahcsid fo noitaruD
Capacity
(25°C)
20 hour rate
10 hour rate
5 hour rate
1 hour rate
28.0Ah
26.5Ah
25.0Ah
21.0Ah
Internal resistance
Fully charged battery
(25°C)
8mΩ
Temperature dependency
of capacity (20 hour rate)
40°C
25°C
0°C
-15°C
102%
100%
85%
65%
Self discharge
(25°C)
After 3 months
After 6 months
After 12 months
91%
82%
64%
Characteristics
For main power supplies.
Cycle long life type.
LC-XC1228P
Terminal type (option)
Battery case resin: standard (UL94HB)
Individual Data Sheets
0
20
40
60
80
100
120
0 2 4 6 8 101214161820
Storage Period (Month)
)%( oitaR noitneteR yticapaC
5 °C
(41 °F)
25 °C
(77 °F)
30 °C
(86 °F)
40 °C
(104 °F)
Contents indicated (including the recycle marking, etc.)
are subject to change without notice.
(Wattage/Battery)
Cut-off V 3min 5min 10min 15min 20min 30min 45min 1h 1.5h 2h 3h 4h 5h 6h 10h 20h 24h
9.6V 1423 1160 865 664 585 410 304 260 159 129 91.6 74.1 61.1 52.8 31.8 16.8 14.0
9.9V 1357 1093 849 654 579 404 294 254 156 128 90.4 72.9 59.9 51.6 31.8 16.8 14.0
10.2V 1301 1026 818 643 567 397 294 251 155 127 89.3 71.7 59.9 51.6 31.8 16.8 14.0
10.5V 1201 976 784 621 545 386 282 247 154 126 88.1 71.7 59.9 51.6 31.8 16.8 14.0
10.8V 1052 903 773 610 539 374 255 218 149 118 84.5 70.5 59.9 50.4 31.8 16.8 13.9
(Ampere/Battery)
Cut-off V 3min 5min 10min 15min 20min 30min 45min 1h 1.5h 2h 3h 4h 5h 6h 10h 20h 24h
9.6V 128 104 77.2 57.7 50.4 35.0 25.9 22.1 13.5 10.9 7.7 6.20 5.10 3.40 2.65 1.40 1.17
9.9V 122 98 75.8 56.9 49.9 34.5 25.0 21.6 13.2 10.8 7.6 6.10 5.00 4.30 2.65 1.40 1.17
10.2V 117 92 73.0 55.9 48.9 33.9 25.0 21.3 13.1 10.7 7.5 6.00 5.00 4.30 2.65 1.40 1.17
10.5V 108 88 70.0 54.0 47.0 33.0 24.0 21.0 13.0 10.6 7.4 6.00 5.00 4.30 2.70 1.40 1.17
10.8V 95 81 69.0 53.0 46.5 32.0 21.7 18.5 12.6 10.0 7.1 5.90 5.00 4.20 2.65 1.40 1.16
Watt Table
Ampere Table
Charging Method
Trickle use
Control voltage: 14.5 - 14.9V; Initial current 11.2A or smaller
Residual capacity vs storage period
0
20
40
60
80
100
120
0 200 400 600 800 1000 1200 1400
Number of Cycles (Times)
)%( yticapaC
Discharge
Depth 50%
Discharge
Depth 30%
Discharge
Depth 100%
Ambient Temperature
25 °C (77 °F)
Cut off voltage
Discharge current
1.4A -
5.6A
5.6A -
14A
14A -
28A
28A -
56A
56A -
84A
Cut off voltage (V) 10.5 10.2 9.9 9.3 8.7
Cycle life vs Depth of discharge
0
20
40
60
80
100
120
140
160
0246810
Charge Time (h)
)%( ytitnauQ egrahC
0
2
4
6
8
10
12
14
16
)V( egatloV yrettaB
Discharge
100 % (0.05 CA*20H)
50 % (0.05 CA*10H)
Charge
Charge Voltage 14.70 V
(2.45 V / Cell)
Charge Current 0.4 CA
Temperature 25 °C (77 °F)
hCrageC nerrut)AC(
Battery Voltage
Charge Current
Charge Quantity (to-Discharge Quantity)
0.8
0.6
0.4
0.2
0
1
2
3
Constant-voltage and constant-current
charge characteristics
0
20
40
60
80
100
120
)%(yticapaC
-20-10 0 1020304050
Battery temperature (°C)
0.05 CA
0.1 CA
0.2 CA
0.5 CA
1 CA
2 CA
3 CA
Discharge capacity by temperature
and by discharge current
5
6
7
8
9
10
11
12
13
14
15
(minute) (hour)
Duration of discharge
)V(egatlov lanimreT
0
12010424060
2468
10
20 40
68
1.4 A
2.8 A
7 A
14 A
84 A
28 A
Discharge characteristics

Summary of content (19 pages)