PWM Solar Charge Controller,20A 12/24V,LS2024B
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Descriptions:
A charge controller, or charge regulator is basically a voltage and/or current regulator to keep batteries from overcharging. It regulates the voltage and current coming from the solar panels going to the battery. Most "12 volt" panels put out about 16 to 20 volts, so if there is no regulation the batteries will be damaged from overcharging. Most batteries need around 14 to 14.5 volts to get fully charged.
Features:
·High efficiency PWM charging with temperature compensation
·3 LEDs shows PV charging, battery and load status
·External temperature sensor interface
·RS-485 bus communication
·Open standard Modbus communication protocol
·Software update function
·Diversified load control modes : Manual, Light ON/OFF, Light ON+ Timer, Time Control
·Battery type selection: Gel, sealed, flooded and User type
·Real-time monitor
·Programmable parameters
·LVD or SOC load disconnect function
·Energy statistics function
Electronic Protections:
·PV short circuit
·PV reverse polarity
·Battery overcharge
·Battery over discharge
·Battery reverse polarity
·Load short circuit
·Load overload
·Overheating
Specification:
Electrical parameters | LS1024B | LS2024B | LS3024B |
Nominal System Voltage | 12 / 24V auto work | ||
Rated Battery Current | 10A | 20A | 30A |
Maximum battery voltage | 50V | ||
Grounding | Common positive | ||
Self-consumption | 8.4mA(12V),7.8mA(24V) | ||
Temp. compensation | -3mV/℃/2V(25℃ ref) | ||
Equalize charging voltage | Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V | ||
Boost charging voltage | Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V, User-defined: 9~17V | ||
Float charging voltage | Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V | ||
Low voltage reconnect voltage | Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V | ||
Low voltage disconnect voltage | Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V | ||
Working temp. | -35℃~+55℃ | ||
Humidity | ≤95% (NC) | ||
Enclosure | IP30 | ||
Dimension | 138.6x69.3x37mm | 159.6x81.4x47.8mm | 200.6x101.3x57mm |
Terminal | 4mm2 | 10mm2 | 10mm2 |
Net weight | 0.13kg | 0.3kg | 0.5kg |
- Q:What are the safety certifications to look for in a solar controller?
- When considering safety certifications for a solar controller, there are several important ones to take into account. Here are a few crucial certifications to consider: 1. UL Listing: Underwriters Laboratories (UL) is a widely recognized and highly regarded organization that conducts tests and certifies products for safety. A UL Listing guarantees that the solar controller has undergone extensive testing and meets specific safety standards. 2. CE Marking: The CE Mark is a mandatory certification for products sold in the European Economic Area (EEA). It signifies that the solar controller adheres to essential health, safety, and environmental protection requirements established by the European Union. 3. RoHS Compliance: The Restriction of Hazardous Substances (RoHS) directive restricts the use of certain hazardous substances in electrical and electronic equipment. A solar controller with RoHS compliance ensures that it does not contain harmful substances like lead, mercury, cadmium, and others. 4. TÜV Certification: TÜV is a German certification organization recognized for its rigorous testing procedures. A TÜV certification guarantees that the solar controller has met specific safety and quality standards. 5. FCC Compliance: If you are in the United States, it is crucial to verify compliance with the Federal Communications Commission (FCC). This certification ensures that the solar controller meets electromagnetic compatibility (EMC) requirements and does not interfere with radio or television signals. Furthermore, you may also want to consider certifications related to specific safety features in solar controllers. For instance, if the controller includes overcharge or over-discharge protection, certifications like Overcharge Protection Certification (OPC) or Over-discharge Protection Certification (ODPC) would indicate that these features have been tested and verified. It is important to note that the specific certifications required may vary depending on your location, regulations, and the intended use of the solar controller. Prior to making a purchase, it is essential to conduct thorough research and understand the safety requirements and certifications that are relevant to your specific needs.
- Q:Can a solar controller be used with solar panel pole mounts?
- Yes, a solar controller can be used with solar panel pole mounts. The solar controller is responsible for regulating and monitoring the charging process of the solar panel system, and it can be connected to the solar panels regardless of their mounting method.
- Q:Can a solar controller be used with a solar-powered lighting system?
- Yes, a solar controller can be used with a solar-powered lighting system. The solar controller helps regulate the charging and discharging of the batteries in the lighting system, ensuring optimal performance and extending battery life. It also provides protection against overcharging and over-discharging, making it an essential component for efficient operation of a solar-powered lighting system.
- Q:Can a solar controller be used with solar-powered RVs or boats?
- Yes, a solar controller can be used with solar-powered RVs or boats. In fact, it is highly recommended to use a solar controller in these applications to regulate the charging of the batteries and prevent overcharging. A solar controller acts as a middleman between the solar panels and the batteries, ensuring that the energy produced by the panels is efficiently stored in the batteries. It helps to prevent battery damage and prolong their lifespan by controlling the voltage and current flowing into the batteries. Additionally, solar controllers often have built-in features like temperature compensation and battery protection, making them ideal for use in RVs or boats where battery health and performance are crucial.
- Q:How does a solar controller handle variations in battery capacity?
- Constantly monitoring the battery's state of charge and adjusting the charging parameters accordingly, a solar controller is designed to handle variations in battery capacity. By utilizing a built-in algorithm, the controller calculates the charging and discharging rates based on the battery's capacity and adjusts the charging current and voltage accordingly. When the battery capacity is low, the controller supplies a higher charging current to replenish the battery at a faster rate. Conversely, when the battery capacity is high, the controller reduces the charging current to prevent overcharging and extend battery life. Moreover, a good solar controller features a battery capacity setting that allows the user to input the specific capacity of the battery being used. This input enables the controller to accurately track the state of charge and adjust the charging parameters accordingly. Additionally, a solar controller incorporates a range of safety features to protect the battery from potential issues such as overcharging, over-discharging, and more. These safety features include overvoltage protection, short-circuit protection, and temperature compensation, among others. In conclusion, a solar controller plays a vital role in effectively managing variations in battery capacity by constantly monitoring and adjusting the charging parameters based on the battery's state of charge. This ultimately ensures optimal performance and lifespan of the battery.
- Q:How does a solar controller handle battery capacity testing?
- A solar controller handles battery capacity testing by monitoring the voltage and current of the battery during the charging and discharging process. It uses this data to calculate the state of charge (SOC) of the battery, which indicates the remaining capacity. The solar controller may also use algorithms to estimate the battery capacity based on its performance over time.
- Q:Can a solar controller be used with both grid-tied and off-grid systems?
- Yes, a solar controller can be used with both grid-tied and off-grid systems. The solar controller's primary function is to regulate the charging and discharging of batteries in a solar power system. Whether it is a grid-tied or off-grid system, the solar controller plays a crucial role in optimizing battery performance and protecting the batteries from overcharging or over-discharging.
- Q:What is the role of a solar controller in preventing battery under-voltage?
- Maintaining the health and performance of the battery system in a solar power setup relies heavily on the crucial role played by a solar controller in preventing battery under-voltage. Also known as a charge controller, a solar controller is responsible for regulating the flow of electrical charge from the solar panels to the batteries. Acting as an intermediary between the panels and batteries, it ensures that the batteries receive the appropriate amount of charge, avoiding both overcharging and undercharging. One of the primary functions of a solar controller is to prevent battery under-voltage. This occurs when the battery's voltage drops below the recommended minimum level, which can result in permanent damage and a significant reduction in its lifespan. To tackle this issue, the solar controller constantly monitors the battery's voltage level. As soon as it detects that the voltage is approaching or falling below the minimum threshold, it takes immediate action to prevent further discharge and harm. Typically, this involves disconnecting the connection between the solar panels and the batteries, effectively blocking any additional charge from flowing into the batteries. Furthermore, advanced solar controllers may incorporate features like low voltage disconnect (LVD) or battery protection algorithms. These features automatically disconnect the load from the battery when the voltage reaches a critical level, safeguarding the battery from further discharge and potential damage. By efficiently averting battery under-voltage, a solar controller ensures that the battery remains in a healthy state, maximizing its lifespan and overall performance. This is especially crucial in off-grid or remote solar power systems where the batteries serve as the primary energy storage source.
- Q:Can a solar controller be used with a solar-powered entertainment venue?
- Yes, a solar controller can be used with a solar-powered entertainment venue. A solar controller regulates the flow of electricity from the solar panels to the venue's electrical system, ensuring optimal charging and preventing overcharging or damage to the batteries. It helps monitor and manage the power generated by the solar panels, allowing for efficient and reliable operation of the entertainment venue.
- Q:Can a solar controller be used with different types of solar panel mounting systems?
- Yes, a solar controller can be used with different types of solar panel mounting systems. The solar controller is responsible for regulating the flow of electricity from the solar panels to the batteries or the grid. It does not depend on the type of mounting system being used. The solar controller's primary function is to monitor and control the charging process, ensuring that the batteries are charged efficiently and preventing overcharging or damage. As long as the solar panels are compatible with the solar controller in terms of voltage and current ratings, it can be used with any type of solar panel mounting system, whether it is a roof-mounted system, ground-mounted system, or tracking system.
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PWM Solar Charge Controller,20A 12/24V,LS2024B
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