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Xantrex Solar Power Controller 12V DC 10 Amp (SL1210B)
General Information:
A photovoltaic charge controller or regulator is a device that prevents solar panels from over charging your batteries by regulating the current flowing from your solar panels to the battery bank. When your batteries are fully charged, the controller stops the flow of current or slows it to a slow trickle. Connecting your solar array to your batteries without a controller seriously risks damaging your batteries and potentially causing safety problems. Charge controllers are rated and sized according to the systems they protect and to the amount of current flowing from your solar array. Most common are 12, 24 and 48-volt controllers. Amperage ratings range from 1 amp to over 100 amps. For safety reasons it is best to oversize your controller by at least 25%. For example, if your 12-volt system has four solar panels rated at 4.0 amps each, total output would be 16 amps. Adding 25%, you would need at least a 20- amp controller.
There is no problem going with a larger controller other than additional cost and it’s something you may want to consider if you think you may be adding more solar panels in the future.
Other than protecting your batteries from over charging, there are several other features that should be included in your controller.
A few of these options are:
• Reverse Current Leakage Protection - This keeps current from flowing backward from your
batteries to your array.
• Low Voltage Disconnect - This reduces damage to your batteries by avoiding deep
discharges.
• System Monitoring - meters, indicating lights and/or warning alarms.
• Temperature Compensation - The charging voltage is adjusted to the temperature if your
batteries are not in a climate-controlled space.
Remember Always Use Proper Sized Wiring and Connectors.
10 amp controller
Features
Reverse Current Leakage Protection - This keeps current from flowing backward from your batteries to your array.
Low Voltage Disconnect - This reduces damage to your batteries by avoiding deep discharges.
System Monitoring and Digital Display of Battery Charge Level
Temperature Compensation - The charging voltage is adjusted to the temperature if your batteries are not in a climate-controlled space.
Model no.
Parameters
SL1205
SL1210
SL1220
SL2410
SL2420
SL4820
Rated Voltage DC
12
12
12
24
24
48
Rated Current Amps
5
10
20
10
20
20
Max. input Voltage
25
25
25
50
50
100
Over-
Charge
Voltage
Protection
14.4
± 0.1
14.4
± 0.1
14.4
± 0.1
28.8
± 0.2
28.8
± 0.2
57.6
± 0.4
Floating
13.8
± 0.1
13.8
± 0.1
13.8
± 0.1
27.6
± 0.1
27.6
± 0.1
55.2
± 0.1
Resume
13.2
± 0.1
13.2
± 0.1
13.2
± 0.1
23.6
± 0.2
23.6
± 0.2
52.8
± 0.4
Over-
Discharge Voltage
Cut-off
10.8
± 0.1
10.8
± 0.1
10.8
± 0.1
21.6
± 0.2
21.6
± 0.2
43.2
± 0.2
Resume
12.3
± 0.1
12.3
± 0.1
12.3
± 0.1
24.6
± 0.2
24.6
± 0.2
49.2
± 0.4
Over-
Loaded
Cut-off
16.5
16.5
16.5
33.0
33.0
66.0
Resume
15.0
15.0
15.0
30.0
30.0
60.0
Voltage
Drop Voltage
Between input and batteries
0.4
0.4
0.4
0.6
0.6
0.6
Between batteries and load
0.3
0.3
0.3
0.4
0.4
0.4
No Load Current Draw mA
<5
<5
<5
<5
<5
<5
Ambient Temperature
-20 to 55 degrees C
Height m
≤ 5500
Size
118 X 110 X 35 mm (L ×W× H)
Weight
0.39Kg
Temp. compensated factor
From -4mV/ to -6mV/ degrees C per unit (Optional )
Electric discharge self-setting
The controller adjust over-discharge voltage and protected voltage according batteries discharge rates. (Optional)
