LC-WTP1212
For pitch backup systems in wind turbines
Expected life: 10 years at 20℃, 5 years at 25℃
(based on a weekly discharge cycle of max 15 seconds)
■Dimensions(mm)
Terminal type (option)
6.35
4.5
Contents indicated (including the recycle marking,
etc) are subject to change without notice.
Battery case resin: Flame-retardant (UL94V-0)
■Specification
Nominal Voltage
Rated Capacity(20HR)
Length
Dimensions
Width
Height
Total height
Approx. Mass
Terminal
12V
12Ah
151 mm
98 mm
94 mm
■Duration
of discharge vs. discharge current
30
20
10
(hour)
5
3
25℃
40℃
100 mm
250M
Duration of discharge
3.85 kg
■Characteristics
20 hour rate
Capacity
(25
℃)
10 hour rate
3 hour rate
1 hour rate
Internal Resistance
Temperature
Dependency of
Capacity
(20 hour rate)
Self Discharge
(25
℃)
Fully charged battery
12Ah
10Ah
9.3Ah
8.1Ah
15 mΩ
102%
100%
85%
65%
91%
82%
64%
267
240
3
117
105
80
250
225
6
110
100
90
233
210
10
103
93
100
217
195
15
98
88
110
60
30
0℃
(minute)
(25
℃)
40
℃
25
℃
0
℃
-15
℃
After 3 months
After 6 months
After 12 months
10
5
3
-15℃
1
0.1
0.3
1
3
10
30
100
Discharge current(A)
200
180
20
92
83
120
187
168
25
87
78
130
175
158
30
82
73
140
157
142
40
77
70
150
143
130
50
73
67
160
133
120
60
70
63
170
125
113
70
67
60
180
■Large
current discharge characteristics(25℃)
Peak current(A for milliseconds)
Discharge current(A)
Discharge time(sec)
Peak current(A for milliseconds)
Discharge current(A)
Discharge time(sec)
The cut off voltage should be more than 8.0V.
Battery should be charged after each discharge.
■Charging
Method
**Control voltage: 13.6V~13.8V at 20℃~25℃ with temperature compensation, Initial current: 1.80A or smaller
**Please consult us for the right control voltage if the ambient temperature is different.
■Operating
Temperature Range
*Storage
-40℃~ 50℃
Charge
-20℃~ 50℃
Discharge
-20℃~ 50℃
Data in this sheet are for reference only and are not guaranteed values.
1/1
2009.06
* For storage, please ensure that battery is fully charged.
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