SP12-20-DZM

SP12-20-DZM
(12V20AH/IT)
Specifications
Nominal Voltage
Nominal Capacity
Dimension
12V
20AH
2 HR Rate (1.75V/cell)
181mm (7.13 inches)
Length
76mm (2.99 inches)
Width
167mm
(6.59 inches)
Height
167mm (6.59 inches)
Total Height (with Terminal)
7.2 kg (15.87 lbs)
Valve Regulated Lead-Acid Battery, Deep Cycle Design
Rated for 500 charge-discharge cycles (60% D.O.D.)
IT
(20hr,1.75V/cell,250C/770F)
25.20AH
(10hr,1.75V/cell,250C/770F)
25.30AH
(5hr,1.75V/cell,250C/770F)
23.75AH
(2hr,1.75V/cell,250C/770F)
20.10AH
(1hr,1.60V/cell,250C/770F)
17.70AH
Approximate Weight
Battery Type
Cycle Life
Terminal Type
Rated Capacity
Max. Discharge Current
Internal Resistance
Operating Temp. Range
Nominal Operating Temp. Range
Container Material
Capacity affected by Temperature
Self Discharge
Applications
Electric Bikes
Electric Scooters
Electric Wheelchairs
Solar Lighting
Other cycle duty applications
150A (5s)
12mΩ
-150C (50F)~500C (1220F)
Discharge:
00C (-320F)~400C (1040F)
Charge:
-150C (50F)~400C (1040F)
Storage:
0
0
25±3 C (77±5 F)
ABS (Option: 94-HB & 94-V0 flame retardant case)
103%
400C (1040F)
0
0
100%
25 C (77 F)
86%
00C (320F)
SigmasTek SP DZM series batteries may be stored for up
to 6 months at 250C (770F) and then a freshening charge
is recommended. For higher temperatures the time
interval will be shorter.
MH47929
Constant Power Discharge (Amperes Per Battery) at 250C (770F)
F.V.
(V/cell
Discharge
Time
5min
10min
15min
30min
1h
2h
3h
5h
10h
20h
1.60V
109.1
63.7
50.2
29.9
17.7
10.30
7.50
4.85
2.58
1.29
1.67V
103.0
61.4
47.9
29.7
17.5
10.20
7.49
4.80
2.56
1.28
1.70V
99.00
58.2
46.3
29.5
17.4
10.10
7.39
4.78
2.55
1.27
1.75V
93.90
55.2
45.5
29.1
17.2
10.05
7.32
4.75
2.53
1.26
1.80V
82.80
48.6
41.4
26.3
16.2
9.440
6.77
4.49
2.37
1.23
Constant Power Discharge (Watts Per Cell) at 250C (770F)
F.V.
(V/cell
Discharge
Time
5min
10min
15min
30min
1h
2h
3h
5h
10h
20h
1.60V
192.0
124.8
98.7
56.7
33.7
20.00
14.50
9.58
5.20
2.67
1.67V
185.5
122.4
98.0
56.3
33.3
19.83
14.42
9.57
5.17
2.65
1.70V
177.8
119.5
95.8
55.8
33.0
19.67
14.33
9.43
5.13
2.63
1.75V
167.4
115.3
93.0
54.3
32.5
19.50
14.17
9.25
5.05
2.62
1.80V
144.6
106.5
88.9
53.3
31.7
19.17
13.72
9.07
4.93
2.57
Dimensions
6 (0.236)
167 ±1 (6.59 ±0.04)
16 (0.630)
M6 (0.197)
76 ± 1 (2.99 ±0.04)
IT Terminal
Unit: mm (inches)
SP12-20-DZM (12V20AH/IT)
Rechargeable Sealed Lead-Acid Battery
CHARGING INSTRUCTION
Floating use: 13.50 ~ 13.80V
Cycle use: 14.40 ~ 15.0V
Initial current: max 7.5A
MH47929
181 ± 1 (7.13 ±0.04)
www.sigmastek.com
Cycle Service Life
Self Discharge Characteristics
100
120
10oC
80
100
25 C
o
Remaining Capacity (%)
80
Capacity (%)
60
Discharge
Depth 100%
40
Discharge
Depth 50%
Discharge
Depth 30%
Ambient Temperature:
o
o
25 C (77 F)
20
0
200
400
600
800
1000
60
40oC
20
0
1200
Number of Cycles (Times)
2V
Battery
ЈVЈ
13.0
6.5
4.33
2.16
12.0
6.0
4.00
2.00
Terminal Voltage (V)
5.5
3.66
Temperature: 250C (770F)
5.0
3.33
1.68
9.0
4.5
3.00
1.52
%
110
0.4C
1C
0.093C 0.05C
0.207C
4.0
2.67
(V)
(XCA)
80
0.15
2
4
6
12
8 10
0.10CA-2.25V/cell temperature 250C
(V)
15.0
7.5
50
14.0
7.0
0
40
60
2
2.33
Charge Voltage
13.0
6.5
0.10
12.0
6.0
11.0
5.5
2.17
0.05
After 50% Discharge
4
6
8
10
2.00
After 100% Discharge
1.83
Charging Current
10
2C
20
(V)
60
0.628C
Min
Charging
Voltage
2.50
Charged Volume
(Constant 2.25v/cell)
70
20
3C
1
10
0.20
40
1.36
8
0.25
90
30
8.0
6
Charge Charging Charging
Volume Current Voltage
120
1.84
10.0
4
Float Charging Characteristics
100
11.0
2
Storage Time (Months)
Discharge Characteristics
12V
6V
4V
Battery Battery Battery
ЈVЈ
ЈVЈ
ЈVЈ
30oC
40
0
0
20
4
8
12
16
20
24
28
32
36
40
Charging Time (hours)
H
Discharge Time
Temperature Effects in Relation to Battery Capacity
Temperature Effects on Long Term Float Life
10
120
8
0.05CA
0.1CA
0.2CA
100
6
5
2.0CA
40
3.0CA
20
0
-20
-10
0
Temperature ( C)
0
10
20
30
40
50
Life expectancy (year)
1.0CA
60
Capacity (%)
Charging voltage:
2.25V/cell
4
80
3
2
1
0.5
20
68
Battery temperature
30
86
40
104
50
122
C
F
O
O
Contact Information
SigmasTek
105 East 34th Street, Suite 257
New York, NY 10016, USA
T: 800-404-3475
F: 877-661-7089
www.sigmastek.com

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