Datasheet
50
Valve Regulated Lead-Acid Batteries
51
Valve Regulated Lead-Acid Batteries
Individual Data Sheets
4.75
53.6
2.3
Nominal voltage
12V
Nominal capacity (20 hour rate)
2.2Ah
Dimensions
Length
177mm
Width
34mm
Height
60mm
Total Height
66mm
Approx. mass
0.8kg
Terminal Faston 187
Specifications
Dimensions (mm)
Duration of discharge vs Discharge current
0.03 0.1 0.3
13
10
1
3
5
10
30
60
3
5
10
20
30
)etunim(
)ruoh(
40 °C
25 °C
0 °C
-15 °C
egrahcsid fo noitaruD
Discharge current (A)
Capacity
(25°C)
20 hour rate
10 hour rate
5 hour rate
1 hour rate
2.2Ah
2.0Ah
1.8Ah
1.3Ah
Internal resistance
Fully charged battery
(25°C)
70mΩ
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
LC-R122R2PG
Terminal type
Battery case resin: standard (UL94HB)
Individual Data Sheets
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 132 104 68.1 52.0 43.6 32.5 23.0 18.4 12.6 9.77 7.27 5.59 4.61 3.71 2.46 1.33 1.11
9.9V 123 97.8 66.7 51.7 42.9 32.2 22.8 18.4 12.4 9.70 7.24 5.55 4.58 3.69 2.45 1.33 1.11
10.2V 113 91.6 65.0 50.6 42.2 31.8 22.6 18.0 12.1 9.44 7.16 5.51 4.54 3.66 2.42 1.32 1.10
10.5V 101 82.1 60.2 47.1 40.1 31.1 22.2 17.6 11.9 9.12 7.05 5.48 4.50 3.62 2.41 1.32 1.10
10.8V 85 72.6 53.7 43.9 39.0 30.0 21.9 17.3 11.5 8.68 6.91 5.40 4.39 3.56 2.38 1.31 1.09
(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 11.9 9.35 6.08 4.52 3.76 2.78 1.96 1.56 1.07 0.825 0.611 0.468 0.385 0.309 0.205 0.111 0.0926
9.9V 11.0 8.77 5.96 4.49 3.70 2.75 1.94 1.56 1.05 0.819 0.608 0.464 0.382 0.308 0.204 0.111 0.0923
10.2V 10.2 8.22 5.81 4.40 3.64 2.72 1.93 1.53 1.03 0.798 0.602 0.461 0.379 0.306 0.202 0.110 0.0920
10.5V 9.0 7.36 5.38 4.09 3.45 2.66 1.89 1.50 1.01 0.770 0.593 0.458 0.376 0.302 0.201 0.110 0.0917
10.8V 7.6 6.51 4.80 3.82 3.36 2.57 1.86 1.47 0.98 0.733 0.581 0.452 0.367 0.297 0.199 0.109 0.0911
Watt Table
Ampere Table
Charging Method
Cycle use
Control voltage: 14.5 - 14.9V; Initial current: 0.88A or smaller
Trickle use
Control voltage: 13.6 - 13.8V; Initial current: 0.33A or smaller
Influence of Temperature on Trickle life
0
20
40
60
80
100
120
)%( yticapaC
Discharge
Depth 50%
Discharge
Depth 30%
Discharge
Depth 100%
0 200 400 600 800 1000 1200
Ambient Temperature
25 °C (77 °F)
Number of Cycles (Times)
Cut off voltage
Discharge current
0.011 A -
0.44A
0.44A -
1.1A
1.1A -
2.2A
2.2A -
4.4A
4.4A -
6.6A
Cut off voltage (V)
10.5 10.2 9.9 9.3 8.7
Cycle life vs Depth of discharge
Constant-voltage and constant-current charge
characteristics for Trickle use
Constant-voltage and constant-current charge
characteristics for Cycle use
5
6
7
8
9
10
11
12
13
14
15
(
minute
)
(hour)
01
20
10
5
2
40 60 2
4
6
810
20
40
0.11 A
0.22 A
0.55 A
1.1 A
6.6 A
2.2 A
)V(egatlov lanimreT
Duration of dischar
g
e
Discharge characteristics
0
20
40
60
80
100
120
02468101214161820
Storage Period (Month)
oitaR noitneteR yticapaC
)%(
5 °C
(41 °F)
25 °C
(77 °F)
30 °C
(86 °F)
40 °C
(104 °F)
Residual capacity vs storage period
0
20
40
60
80
100
120
)%(yticapaC
-20 -10 0 10 20 30 40 50
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
For main and standby power supplies. Expected trickle
design life: 6 – 9 years at 20°C according to Eurobat.
VdS
G188151
0
20
40
60
80
100
120
140
160
0 4 8 121620
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 13.65 V
(2.275 V / Cell)
Charge Current 0.15 CA
Temperature 25 °C (77 °F)
0.3
0.2
0.1
0
h
C
ra
g
e
C
tnerru
)
A
C(
Battery Voltage
Charge Current
Charge Quantity (to-Discharge Quantity)
1
2
3
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
(
e
g
atloV
y
rettaB
)AC( tnerruC egrahC
Battery Voltage
Charge Quantity (to-Discharge Quantity)
0.8
0.6
0.4
0.2
0
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)
Charge Current
1
2
3
0.1
1
10
100
20 40060
)sraeY( efiL ecivreS
䚭㻃
Charging Voltage
2.275 V / Cell
Temperature (°C)










