Datasheet

- 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
147
161
173
185
191
196
208
10
min
108
114
119
125
128
131
135
15
min
78.7
84.0
88.2
92.2
94.2
96.0
99.5
30
min
42.3
45.3
47.2
48.7
49.5
50.3
51.3
60
min
30.2
31.7
32.4
32.8
33.2
33.5
33.8
120
min
19.2
19.8
20.2
20.7
20.8
21.0
21.2
180
min
12.8
13.2
13.4
13.6
13.6
13.7
13.8
240
min
10.3
10.5
10.7
10.8
10.9
10.9
11.0
300
min
8.75
8.90
8.98
9.07
9.10
9.15
9.37
600
min
5.42
5.52
5.58
5.66
5.68
5.72
5.75
1200
min
2.62
2.69
2.74
2.78
2.80
2.82
2.83
- 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
78.9
92.9
103
109
111
113
115
10
min
55.6
62.1
64.2
68.2
70.4
72.3
75.7
15
min
40.8
46.4
49.8
52.6
54.3
54.9
56.2
30
min
21.4
23.8
25.2
26.5
27.2
27.8
28.8
60
min
15.3
16.1
16.5
16.9
17.1
17.3
17.5
120
min
9.34
9.72
9.87
10.0
10.1
10.2
10.3
180
min
6.45
6.63
6.72
6.83
6.87
6.92
6.99
240
min
5.48
5.61
5.69
5.76
5.79
5.84
5.91
300
min
4.77
4.86
4.93
5.00
5.02
5.05
5.08
600
min
2.55
2.61
2.65
2.69
2.71
2.74
2.77
1200
min
1.29
1.34
1.36
1.38
1.39
1.40
1.43
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%)
251220-1L
WP26-12N
-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
)
0.5
30 40 50 ()℃
68 86 104 122 ()℉
2
5
10
20
3
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
＊
±℃
Discharge Depth 100%
Discharge Depth 50%
Discharge Depth 30%