3V Lithium Battery PWM Solar Charge Controller for 20W Solar Street Light
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 20000 pc/month
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1.Product description of 3.2V/3.7V PWM Solar Charge Controller for Li-ion Battery 20W
*Specially designed for singe-string li-ionbattery system
*Parallel battery cells and easy to PACK
*No need to add protection board
*Low requirement to battery cell.
*High-usage to battery.
*Simple require to pack of battery to reduce the cost of produce battery.
2. Product features of 3.2V/3.7V PWM Solar Charge Controller for Li-ion Battery 20W
-More convenient
*Read and setting parameters by wireless remote controller
*Start via mini remote controller
*Dimming light range via mini remote controller
-High compatibility
*MPPT tracing range from 5-25V,Compatible 18V solar Panel.
*Step-up boost current drive
-Minimal power consumption
*The current consumption≤0.05W
-Intelligent management function
*According battery capacity to adjust output power
*System setting parameter to make sure lighting whole year.
3. Product image of 3.2V/3.7V PWM Solar Charge Controller for Li-ion Battery 20W
4. Range of application
5. Drive LED efficiency
6.FAQ
Q： DO YOU HAVE ANY CERTIFICATION FOR YOUR PRODUCTS ?
A: We have ISO9001:2015,CE、RoHS certifications for all of our products.
Q: DO YOU HAVE MOQ FOR PLACE ORDER?
A: Low MOQ, 1pc for sample checking is available
- Q:How does a solar controller handle short-circuit or overload conditions?
- A solar controller is designed to handle short-circuit or overload conditions in order to protect the solar panel system from damage. When a short-circuit or overload occurs, the solar controller employs various mechanisms to ensure the safety and proper functioning of the system. Firstly, the solar controller typically incorporates a built-in fuse or circuit breaker. This acts as a protective device that interrupts the flow of current when it exceeds a specific threshold. In the event of a short-circuit or overload, the fuse or circuit breaker will automatically trip, effectively cutting off the power supply and preventing further damage to the solar controller and connected equipment. Additionally, a solar controller may utilize advanced electronic circuitry to detect short-circuit or overload conditions. These circuits constantly monitor the current flowing through the system and compare it to predefined limits. If the current exceeds the specified limits, the controller will immediately take action to mitigate the situation. One common approach used by solar controllers is pulse width modulation (PWM) or maximum power point tracking (MPPT). These techniques dynamically adjust the output voltage and current of the solar panel to optimize power transfer while preventing excessive current flow. In case of a short-circuit or overload, the solar controller will adjust the output in real-time to ensure that the current remains within safe limits. Furthermore, modern solar controllers often feature various protection features such as overvoltage protection, reverse polarity protection, and temperature compensation. These additional safeguards further enhance the controller's ability to handle short-circuit or overload conditions by preventing potential issues that could arise from these scenarios. Overall, a solar controller employs a combination of protective devices, electronic circuitry, and advanced control techniques to handle short-circuit or overload conditions. By promptly detecting and responding to these situations, the solar controller ensures the safe and efficient operation of the solar panel system, safeguarding both the equipment and the integrity of the power supply.
- Q:What is the maximum battery voltage that a solar controller can handle?
- The solar controller's capacity to handle battery voltage relies on its specific model and design specifications. Nevertheless, typical solar controllers can accommodate battery voltages ranging from 12V to 48V. To determine the maximum battery voltage that a particular solar controller can handle, it is imperative to refer to the manufacturer's guidelines or technical specifications. Going beyond this maximum voltage threshold has the potential to harm the controller and undermine its performance and functionality.
- Q:How do I prevent overvoltage with a solar controller?
- To prevent overvoltage with a solar controller, there are a few steps you can take: 1. Choose the right solar controller: Make sure you select a solar controller that is designed to handle the voltage and current of your solar panels. Different controllers have different voltage and current ratings, so it's important to match them with your system's specifications. 2. Monitor the voltage: Regularly monitor the voltage of your solar panels to ensure it stays within the recommended range. Most solar controllers have a built-in display that shows the voltage, or you can use a voltmeter to measure it directly. If the voltage exceeds the maximum limit, it can lead to overvoltage issues. 3. Install a voltage regulator: In addition to a solar controller, consider installing a voltage regulator in your system. A voltage regulator helps to stabilize the voltage output from the solar panels and prevent overvoltage situations. It acts as a protective device that regulates the voltage to a safe level, ensuring the system operates efficiently and without any damage. 4. Implement a bypass diode: A bypass diode is another component you can add to your solar panel system to prevent overvoltage. It works by redirecting the excess voltage around a malfunctioning or shaded panel, preventing it from damaging the entire system. Bypass diodes are particularly useful in systems with multiple solar panels connected in series. 5. Grounding: Ensure your solar panels and solar controller are properly grounded. Grounding helps to protect against voltage surges and lightning strikes, which can cause overvoltage conditions. It provides a path for excess voltage to safely dissipate into the ground, minimizing the risk of damage to your system. Remember, overvoltage can damage your solar panel system and its components, so it's essential to take precautions to prevent it. Consulting with a professional or an expert in solar energy can also provide valuable insights specific to your system and its requirements.
- Q:What is the cost of a solar controller?
- The cost of a solar controller can vary depending on several factors such as brand, capacity, features, and quality. On average, a basic solar controller can range from $20 to $50, while more advanced models with additional functionalities can cost anywhere from $50 to $200 or more.
- Q:Can a solar controller be used with a solar-powered RV or camper?
- Yes, a solar controller can be used with a solar-powered RV or camper. A solar controller regulates the charging process of the batteries in the RV or camper by managing the flow of electricity from the solar panels. It helps prevent overcharging and ensures efficient battery charging, extending their lifespan. Therefore, using a solar controller is essential for optimizing the solar power system in an RV or camper.
- Q:Can a solar controller be used with different types of solar panel anti-theft systems?
- Yes, a solar controller can be used with different types of solar panel anti-theft systems. The solar controller's primary function is to regulate the charging of batteries in a solar power system. It does not directly interact with the anti-theft system. The solar panel anti-theft systems are designed to prevent theft or unauthorized access to the solar panels. These systems usually include features like tamper-proof screws, locking mechanisms, alarms, or GPS tracking devices. They are installed separately from the solar controller and are not dependent on its compatibility. The solar controller's main role is to monitor and regulate the flow of electricity from the solar panels to the batteries. It ensures that the batteries are charged efficiently and protects them from overcharging or damage. The type of anti-theft system used does not affect the functionality of the solar controller. Therefore, regardless of the type of anti-theft system implemented, the solar controller can still be used without any issues. It is important to select a solar controller that is compatible with the specific requirements of the solar power system, such as voltage and current ratings, to ensure optimal performance and efficiency.
- Q:Can a solar controller be used with solar panel window mounts?
- Yes, a solar controller can be used with solar panel window mounts. A solar controller helps regulate the charging process of the solar panel, regardless of its mounting location. It ensures that the solar panel operates optimally, regardless of whether it is mounted on a window or any other surface.
- Q:What is the maximum load voltage of a solar controller?
- The maximum load voltage of a solar controller refers to the highest voltage that can be handled and regulated by the controller when supplying power to a load.
- Q:Can a solar controller be used with a 48V battery bank?
- A 48V battery bank can indeed be used in conjunction with a solar controller. The main role of the solar controller is to regulate the electricity flow from the solar panels to the battery bank. Its primary functions are to efficiently charge the batteries and safeguard them against both overcharging and discharging. The majority of solar controllers are equipped with a wide voltage range capability, making them compatible with 48V battery banks. Therefore, as long as the solar controller is designed to handle the battery bank's voltage, it can effectively operate within a 48V system. Before installation, it is crucial to verify that the solar controller is compatible with the specific voltage of the battery bank in order to prevent any potential compatibility issues.
- Q:How does a solar controller handle different charging stages?
- A solar controller manages different charging stages by regulating the flow of electricity from the solar panels to the battery. It monitors the voltage and current levels to ensure efficient charging and prevent overcharging. During bulk charging, the controller allows maximum current flow to quickly recharge the battery. In the absorption stage, the controller gradually reduces the charging current to avoid overcharging and sustain the battery capacity. Finally, in the float stage, the controller maintains a lower voltage to keep the battery at a fully charged state without causing any damage.
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3V Lithium Battery PWM Solar Charge Controller for 20W Solar Street Light
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 20000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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