Data Sheet
- PERFORMANCE DATA
Discharge Rates in Watts to Various End Voltages at 25
℃
(77
℉
)
End Voltage
Time
1.85V 1.80V 1.75V 1.70V 1.67V 1.65V 1.60V
5 min 328 381 413 430 434 438 444
10 min 210 244 265 276 278 281 285
15 min 163 187 202 209 211 213 215
30 min 86.9 99.5 107 111 112 113 115
60
min
64.7
67.5
69.3
70.8
71.3
72.0
72.6
120 min 32.5 34.7 36.2 37.2 37.5 37.8 38.3
180 min 26.3 28.2 29.2 29.8 30.0 30.3 30.6
240 min 21.8 23.0 23.7 24.2 24.3 24.5 24.6
300 min 18.3 19.3 20.0 20.3 20.5 20.7 20.9
600 min 10.6 11.1 11.4 11.6 11.6 11.7 11.7
1200 min 5.48 5.78 5.93 6.05 6.08 6.14 6.18
- Discharge Rates in Amperes to Various End Voltages at 25
℃
(77
℉
)
End Voltage
Time
1.85V 1.80V 1.75V 1.70V 1.67V 1.65V 1.60V
5 min 176 204 219 228 231 234 238
10 min 110 127 138 143 145 147 149
15 min 83.5 95.6 103 107 108 109 110
30 min 43.8 50.2 54.1 55.8 56.4 57.0 57.7
60 min 29.4 33.2 34.5 35.4 35.7 36.1 36.5
120 min 16.9 18.4 19.2 19.8 20.0 20.3 20.6
180 min 13.0 13.8 14.3 14.7 14.8 15.0 15.2
240 min 10.9 11.5 11.7 11.9 12.0 12.1 12.2
300 min 9.32 9.74 9.92 10.1 10.2 10.3 10.4
600 min 5.39 5.63 5.65 5.71 5.73 5.76 5.80
1200 min 2.76 2.89 2.96 3.00 3.01 3.03 3.05
All data on the spec. sheet is an average value:
The tolerance range : X<6min(+15%~-15%), 6min≦X<10min(+12%~-12%),10min ≦X < 60min(+8% ~-8%), X≧60min(+5%~-5%)
140918-1A-DEU0002
WPL55-12N
-20 -10 0 10 20 30 40 50 ℃
-4 14 32 50 68 86 104 122 ℉
Temperature
Effect of Temperature on Capacity 25 (77 ) ℃℉
0
20
40
60
80
100
120
C
a
p
a
c
i
t
y
%
0.05CA
0.1CA
0.25CA
0.6CA
1CA
2CA
40 (104 )℃℉
30 (86 )℃℉
20 (68 )℃℉
10 (50 )℃℉
0(32)
℃℉
Capacity Retention Characteristic
Storage Time (months)
R
e
m
a
i
n
i
n
g
C
a
p
a
c
i
t
y
3
6
9 12
15 18
0
25
50
75
100
(%)
Trickle (or float) Service Life
Ambient Temperature
L
i
f
e
(
y
e
a
r
s
)
30 40 50 ()℃
68 86 104 122 ()℉
5
15
10
20
3
1
12
0 200 400 600
800 1000 1200
1400 1600
20
40
60
80
100
120
C
a
p
a
c
i
t
y
%
Number of Cycles (times)
Cycle Service Life
Discharge Depth 100%
Discharge Depth 50%
Discharge Depth 30%
(1) Discharge : 5HR rate (0.17CA)
(2) Charge : CV 2.4V/cell 16H Imax 0.3CA
(3) End of life discharge voltage : 1.65 Vpc
(4) Temperature : 25 2
＊
±℃