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
87.6
93.9
98.6
104
110
113
116
10
min
59.9
71.4
72.9
74.1
74.8
75.6
76.3
15
min
49.4
54.4
56.1
57.3
58.1
59.6
60.6
30
min
29.8
31.6
32.5
33.6
34.0
34.2
34.8
60
min
17.2
17.9
18.6
19.0
19.2
19.3
19.5
120
min
9.72
10.2
10.4
10.7
10.7
10.8
11.0
180
min
6.95
7.17
7.33
7.46
7.51
7.55
7.65
240
min
5.42
5.69
5.87
5.93
5.96
5.99
6.01
300
min
4.60
4.72
4.80
4.87
4.91
4.94
4.96
600
min
2.76
2.79
2.83
2.86
2.89
2.98
3.00
1200
min
1.43
1.49
1.53
1.56
1.59
1.60
1.61
- 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
46.3
51.0
55.3
59.5
62.8
64.3
67.7
10
min
32.4
39.7
41.7
42.3
44.0
44.4
46.3
15
min
26.7
30.2
32.1
32.3
33.8
34.7
36.3
30
min
16.1
17.5
18.6
19.7
20.6
20.8
21.8
60
min
8.80
9.22
9.56
9.83
10.0
10.1
10.1
120
min
4.74
4.95
5.07
5.19
5.22
5.28
5.51
180
min
3.48
3.57
3.65
3.71
3.73
3.77
3.83
240
min
2.69
2.74
2.81
2.87
2.89
2.94
2.99
300
min
2.34
2.39
2.42
2.45
2.46
2.48
2.50
600
min
1.23
1.29
1.34
1.37
1.38
1.39
1.40
1200
min
0.692
0.741
0.750
0.756
0.758
0.761
0.764
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%)
220818-1E
WP15-12SE
-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
)
0.5
30 40 50 ()℃
68 86 104 122 ()℉
2
5
10
20
3
Discharge Depth 100%
Discharge Depth 50%
Discharge Depth 30%
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
(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
＊
±℃