℉)
1 month 92％
WPL12-12
98 1(3.86 0.04)±±
151 1(5.94 0.04)±±
98 1(3.86 0.04)
±±
93 1(3.66 0.04)±±
WP L1 2- 12
6.35(0.25)
3.2(0.126)
4.75
(0. 19 )
0.8
(0 .0 3)
7.95 (0.3 13)
3.4( 0.134 )
6.35
(0.25)
0. 8
(0.03)
(Faston Tab 187)
F1
(Faston Tab 250)
F2
2 4 6 8 10 20 40 60 2 5 6 8 10 20
1
8.0
9.0
10.0
11.0
12.0
13.0
FOR 12V
BATTERY
(v)
Discharge Time VS. Discharge Current (25 )℃
minutes
hours
Discharge Time
12A
1.14A
2.04A
0.6A
36A
Specifications
Nominal Voltage(V)
12V
Nominal Capacity
20 hour rate (0.6A to 10.50V) 12Ah
10 hour rate (1.14A to 10.80V) 11.4Ah
5 hour rate (2.04A to 10.20V) 10.2Ah
1C (12A to 9.60V) 7.6Ah
3C (36A to 9.60V) 4.8Ah
Weight
Approx. 4.02kg(8.84Lbs.)
Internal Resistance (at 1KHz)
Approx. 11 mΩ
Maximum Discharge Current for
5 seconds: 180A
Charging Methods at 25℃(77
Overall Height (HT)
Dimensions
Length (L)
Width (W)
Height (H)
151±1 (5.94±0.04)
98±1 (3.86±0.04)
93±1 (3.66±0.04)
98±1 (3.86±0.04)
Cycle use:
Charging Voltage 14.4 to 15.0V
Coefficient -5.0mV/℃/cell
Maximum Charging Current： 3.6A
Standby use:
Float Charging Voltage 13.5 to 13.8V
Coefficient -3.0mV/℃/cell
Operating Temperature Range
Charge -15℃(5℉) to 40℃(104℉)
Discharge -15℃(5℉) to 50℃(122℉)
Storage -15℃(5℉) to 40℃(104℉)
Charge Retention (shelf life) at 20℃(68℉)
3 month 90％
6 month 80％
Case Material
ABS UL94 HB
Option: Flammability resistance of (UL94 V-0)
Design Life
Eurobat (20℃) : 10/12 years
Terminal
F1 or F2 (Faston Tab 187 or 250)
Description of torque value of hard ware for the terminals:
mm(inch)
v
℃
Time
Time
WPL12-12
-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
(%)
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 lif e discharge voltage : 1.65 Vpc
(4) Temperature : 25 2
＊
±℃
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
- PERFORMANCE DATA
Discharge Rates in Watts to Various End Voltages at 25
End Voltage
5 min 77.2 84.2 89.3 94.8 97.3 99.7 105
10 min 56.5 60.3 63.0 65.3 66.2 67.5 68.8
15 min 42.2 45.3 47.2 48.5 49.2 49.8 51.0
30 min 26.7 28.0 29.0 30.0 30.3 30.7 31.2
60 min 14.9 15.9 16.6 17.2 17.3 17.5 17.7
120 min 7.80 8.60 9.02 9.22 9.28 9.38 9.52
180 min 5.40 6.15 6.53 6.68 6.97 7.10 7.20
240 min 4.43 4.97 5.22 5.37 5.43 5.52 5.62
300 min 4.12 4.35 4.51 4.65 4.72 4.77 4.83
600 min 2.43 2.55 2.62 2.66 2.68 2.70 2.72
1200 min 1.29 1.31 1.35 1.37 1.39 1.40 1.43
1.85V 1.80V 1.75V 1.70V 1.67V 1.65V 1.60V
- Discharge Rates in Amperes to Various End Voltages at 25℃(77℉)
End Voltage
5 min 37.8 41.8 44.6 47.5 48.8 50.1 52.7
10 min 28.1 30.3 31.5 32.7 33.2 33.8 34.6
15 min 21.3 22.6 23.7 24.6 25.0 25.4 26.1
30 min 12.6 13.5 14.1 14.6 14.8 15.0 15.3
60 min 8.55 8.74 8.86 8.97 9.02 9.08 9.16
120 min 4.71 4.84 4.95 5.04 5.08 5.13 5.18
180 min 3.14 3.33 3.40 3.46 3.49 3.52 3.56
240 min 2.15 2.26 2.35 2.42 2.45 2.49 2.74
300 min 1.98 2.06 2.12 2.18 2.20 2.23 2.27
600 min 1.19 1.22 1.24 1.26 1.27 1.28 1.29
1200 min 0.619 0.626 0.645 0.654 0.661 0.669 0.683
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%)
1.85V 1.80V 1.75V 1.70V 1.67V 1.65V 1.60V
(77℉)
220319-1A-DEU0002
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