SP12-7.5
(12V7.5AH/T1)
Specifications
Nominal Voltage
Nominal Capacity (20HR)
Dimension
Approximate Weight
Battery Type
Terminal Type
Rated Capacity
Max. Discharge Current
Internal Resistance
Operating Temp. Range
Nominal Operating Temp. Range
Container Material
Capacity affected by Temperature
Self Discharge
12V
7.5AH
Length
151mm (5.95 inches)
Width
65mm (2.56 inches)
Height
94mm (3.70 inches)
Total Height (with Terminal)
100mm (3.94 inches)
2.20 kg (4.85 lbs)
Valve Regulated Lead-Acid Battery, AGM Design
T1
(20hr,1.75V/cell,250C/770F)
7.58AH
(10hr,1.75V/cell,250C/770F)
7.16AH
(5hr,1.75V/cell,250C/770F)
6.40AH
(3hr,1.60V/cell,250C/770F)
6.33AH
(1hr,1.60V/cell,250C/770F)
4.71AH
112.5A
20mΩ
-200C(-40F)~500C (1220F)
Discharge:
-200C(-40F)~500C (1220F)
Charge:
-200C(-40F)~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)
0
0
86%
0 C (32 F)
SigmasTek SP 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.
Applications
Uninterruptible Power Supply (UPS)
Electric wheelchairs, scooters, bikes
Electronic apparatus and equipment
Alarm and security systems
Emergency first responder equipment
Emergency lighting
Medical devices
Electric carts
Telecom equipment
Switchgear
Solar power systems
MH47929
Constant Current Discharge (Amperes Per Battery) at 250C (770F)
F.V.
(V/cell)
Discharge
Time
5min
10min
15min
30min
1h
2h
3h
5h
8h
10h
20h
1.60V
29.0
19.7
14.6
8.63
4.71
2.74
2.11
1.39
0.909
0.754
0.393
1.65V
26.2
18.1
13.6
8.17
4.67
2.63
2.05
1.34
0.900
0.746
0.391
1.70V
23.8
16.8
12.8
7.74
4.56
2.59
1.97
1.31
0.886
0.731
0.386
1.75V
21.6
15.4
12.0
7.44
4.42
2.52
1.91
1.28
0.874
0.716
0.379
1.80V
19.2
14.0
11.0
7.17
4.22
2.43
1.88
1.24
0.859
0.698
0.375
1.85V
14.3
11.0
9.09
6.07
3.77
2.23
1.75
1.16
0.810
0.677
0.371
Constant Power Discharge (Watts Per Cell) at 250C (770F)
F.V.
(V/cell)
Discharge
Time
5min
10min
15min
30min
1h
2h
3h
5h
8h
10h
20h
1.60V
55.5
34.3
26.3
15.5
8.88
5.12
3.72
2.47
1.660
1.367
0.734
1.65V
52.6
32.9
25.5
15.2
8.73
5.05
3.68
2.45
1.649
1.359
0.731
1.70V
49.2
31.3
24.5
14.7
8.48
4.96
3.62
2.42
1.633
1.347
0.725
1.75V
45.1
29.5
23.3
14.2
8.23
4.85
3.55
2.39
1.616
1.334
0.719
1.80V
40.2
24.5
21.9
13.5
7.96
4.72
3.47
2.34
1.593
1.318
0.708
1.85V
34.2
23.3
20.2
12.8
7.64
4.56
3.37
2.29
1.565
1.296
0.701
Dimensions
6.35 (0.25)
65 ±1 (2.56±0.04)
SP12-7.5 (12V7.5AH/T1)
Rechargeable Sealed Lead-Acid Battery
CHARGING INSTRUCTION
Floating use: 13.5 ~ 13.8V
Cycle use: 14.4 ~ 15.0V
Initial current: less than 2.1A
MH47929
www.sigmastek.com
0.8 (0.031)
3.2 (0.126)
94 ±1 (3.70 ±0.04)
4.75 (0.187)
100 ±1 (3.94 ±0.04)
T1 Terminal
Unit: mm (inches)
Cycle Service Life
151 ±1 (5.95 ±0.04)
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