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Help Center10A 20A 12V/24V Intelligent Solar Charge Controller With LCD Display & USB Port for Solar Home System
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Specifications
1.LCD display2.PWM battery charging
3.All necessary protections equipped
4.Adjustable controlling parameter of the system
CM20D
20A 12V/24V LCD SOLAR CHARGE CONTROLLER
CM20D controller has following features:
1.Vivid LCD graphic symbols
2.Simple button operation
3.Automatic Identification of System Voltage level
4.Intelligent PWM charging mode
5.Automatic Temperature Compensation (custom)
6.Adjustable charge-discharge control parameters
7.Settable Operating mode of Load
8.Battery reverse-discharge protection
9.Battery Low Voltage Disconnection (LVD)
10.Battery reverse connection protection
11.Overcurrent protection.
You can view and set the parameters:
P1:Digital parameters.
P2:Charging indication. This symbol indicates that the solar panel is charging the battery; without this symbol means solar panel can not charge the battery because of low voltage. If the symbol is flickering, means the battery is fully charged and has entered float charging state.
P3:Indication for solar panel. This symbol indicates that the connection of solar panel is detected by controller; without this symbol means the connection of solar panel can not be detected, or there is no sunshine on the solar panel.
P4:5 bars battery power indication.
P5:Discharging indication. This symbol indicates that controller is in output state, otherwise not in the output state. The flickering of this symbol indicates the damages of internal control devices.
P6:load indication. This symbol indicates that controller is in output state, otherwise not in the output state. The flickering of this symbol indicates overload or the damage of the load.
P7:A stands for the unit of current; H stands for hour.
P8:V stands for the unit of voltage.
Technical Data:
| Model | CM20D | |
| Rated current | 10A12V24V | 20A12V24V |
| Rated voltage | 12V/24V Automatic Identification | |
| Voltage of solar panel | ≤50V | |
| Floating charge | 13.8V/27.6V | |
| Under-voltage protection | 10.7V/21.4V | |
| Under-voltage recovery | 12.6V/25.2V | |
| Boost voltage | b01 Sealed 14.4V/28.8V | (Duration:2hours) |
| b02 Gel14.2V/28.4V | ||
| b03 Flooded 14.6V/29.2V | ||
| Open circuit losses | ≤13mA | |
| Charge and discharge voltage drop | <0.2V|<0.1V | |
| Charging mode | PWM mode | |
| Temperature compensation | -4mV/Cell/℃(to be customized) | |
| Specification of the cables | ≤5# AWG (6mm2) | |
| Working temperature | -20℃~60℃ | |
| Storage temperature | -30℃~70℃ | |
| Temperature requested | ≤90%,No condensation | |
| Dimension | 88 mm×160 mm×37 mm | |
| diameter of mounting hole | 64 mm×150 mm --Φ5 | |
| Weight | 230g | |
Certifications:
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