Page 1
UL 18 - 12
12V 18AH
STANDBY
Terminal Type
14mm(0.55inch)
Dimensions
5.5mm(0.22inch)
5mm(0.20inch)
12mm(0.39inch)
167mm(6.57inch)
2mm(0.08inch)
Specifications
Construction
181mm(7.13inch)
20HR (0.9A,1.75V) 10HR (1.71A,1.75V) 5HR (3.06A,1.75V) 1HR (10.8A,1.55V)
18AH 17.1AH 15.3AH 10.8AH
Length Width Height Total Height
181mm 77mm 167mm 167mm
o
40
C 25oC 0oC -15oC
102%
Cycle Use
14.0-15.0V (-24mV/C), max. Current: 5.4A
3% of capacity declined per month at 25
77mm(3.03inch)
UL 18 - 12
5 Years
5.7Kg
Fully Charged at 25
100% 85% 65%
o
C 0.016 Ohm
o
C
Float Use
13.6-13.8V (-18mV/C)
2008 2008
Page 2
UL 18 - 12
12V 18AH
STANDBY
Charge Characteristic
Ch arge
Ca pa ci ty
Ch arge
Cu rr en t
Ch arge
Vol ta ge
%) (CA) (V)
(
120
100
80
0.25
0.20
60
0.15
40
0.10
20
0.05
0
0
14
13
12
11
Constant Charge At 0.25CA-13.8V (25 )
Charge
Voltage
0 2
Time(hour)
Relationship of OCV and state of charge
13.5
13.0
12.5
12.0
Battery Voltage (V)
11.5
11.0
10 20 30 40 50 60 70 80 90 100
0
Remained Capacity(%)
o
C
Charge
Capacity
100%Discharge
50%Discharge
Charge Current
84 6 10 12
Discharge Characteristic 25oC
13
12
11
10
9
8
Discharge Voltage (V)
0 2 6 12 30 60 3 10 20
Min
Self Discharge Characteristics
110
105
100
95
90
85
80
75
70
65
Capacity (%)
60
55
50
o
40 C
45
40
1
0
2
3
4
o
30 C
5
6
9
7
8
Storage time:months
Hour
o
20 C
10
12
11
151413
19
16
20
1817
Constant Current Discharge Ratings - amperes at 25oC
70.9 43.6 33.0 20.1 10.9 5.62 3.31 1.84 1.01
65.9 41.8 32.0 19.3 10.7 4.75 3.24 1.80 0.97
60.8 40.0 31.0 17.5 10.3 4.52 3.17 1.76 0.95
60.1 38.9 30.0 16.7 10.1 4.39 3.08 1.73 0.94
53.3 37.0 27.3 15.4 9.40 4.28 3.02 1.72 0.92
47.2 35.2 24.4 14.1 9.11 4.21 3.00 1.33 0.92
o
Constant Power Discharge Ratings - watts at 25
144.0 93.6 72.0 41.8 23.4 9.11 6.19 3.49 1.84
139.3 91.4 71.0 41.0 23.1 9.07 6.17 3.48 1.84
133.6 90.0 69.1 40.3 22.9 9.00 6.15 3.46 1.81
125.6 86.4 67.0 39.2 22.5 8.93 6.12 3.46 1.81
109.1 80.0 64.1 38.2 21.8 8.75 6.09 3.38 1.77
103.0 74.2 61.2 36.4 21.3 8.60 5.98 3.38 1.77
C
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