• Blue Sky Solar Charge Controllers 3v Lithium Battery PWM Solar Charge Controller for 20w Solar Street Light System 1
  • Blue Sky Solar Charge Controllers 3v Lithium Battery PWM Solar Charge Controller for 20w Solar Street Light System 2
Blue Sky Solar Charge Controllers 3v Lithium Battery PWM Solar Charge Controller for 20w Solar Street Light

Blue Sky Solar Charge Controllers 3v Lithium Battery PWM Solar Charge Controller for 20w Solar Street Light

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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

3V Lithium Battery PWM Solar Charge Controller for 20W Solar Street Light


4. Range of application

3V Lithium Battery PWM Solar Charge Controller for 20W Solar Street Light


5. Drive LED efficiency

3V Lithium Battery PWM Solar Charge Controller for 20W Solar Street Light


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 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 a solar electric vehicle charging station?
Yes, a solar controller can be used with a solar electric vehicle charging station. A solar controller helps regulate the flow of electricity from the solar panels to the charging station, ensuring optimal charging efficiency and protecting the batteries of the electric vehicle.
Q: Are there any maintenance requirements for solar controllers?
Solar controllers do have maintenance requirements, although they are usually low-maintenance devices. To ensure optimal performance and longevity, it is recommended to regularly inspect and occasionally perform maintenance tasks. Keeping the solar controller clean and free from debris is an important maintenance requirement. This involves removing any accumulated leaves, dust, or dirt from the controller's surface. Regular cleaning helps prevent obstruction or shading of the solar panels, allowing them to efficiently capture sunlight. Periodically inspecting the wiring connections of the solar controller is also advised. Loose or corroded connections can disrupt the flow of electricity and decrease the controller's efficiency. Therefore, it is important to check for and tighten any loose connections, as well as clean any corrosion, to ensure uninterrupted power flow. Regularly monitoring the battery voltage is crucial for proper solar controller functioning. If the battery voltage drops below a certain level, it may indicate an issue with the battery or the charging system. In such cases, it is crucial to promptly address the problem to prevent any damage to the battery or the solar controller. Lastly, some solar controllers may require firmware updates or software upgrades periodically. These updates often include bug fixes, performance enhancements, or new features. It is advisable to follow the manufacturer's recommendations and install any available updates to keep the solar controller up to date. In conclusion, although solar controllers generally require minimal maintenance, it is important to perform regular cleaning, inspect wiring connections, monitor battery voltage, and install firmware updates to ensure optimal performance and longevity.
Q: Can a solar controller be used in a solar-powered gate opener system?
Yes, a solar controller can be used in a solar-powered gate opener system. A solar controller helps regulate and optimize the charging and discharging of the batteries connected to the solar panel. This ensures that the gate opener system operates efficiently and maximizes the use of solar power.
Q: Can a solar controller be used with different battery types (e.g., lead-acid, lithium-ion)?
Yes, a solar controller can be used with different battery types such as lead-acid and lithium-ion. Solar controllers are designed to regulate and optimize the charging process of batteries, regardless of the battery chemistry. However, it is important to ensure that the solar controller is compatible with the specific battery type being used to ensure efficient and safe operation.
Q: Can a solar controller be used with solar-powered indoor waste recycling systems?
Solar-powered indoor waste recycling systems can utilize a solar controller, which is a device responsible for regulating and managing the electricity flow from solar panels to batteries. Its purpose is to ensure optimal charging, preventing any damage or overcharging of the batteries. In the case of indoor waste recycling systems powered by solar energy, a solar controller becomes necessary to guarantee efficient charging of the batteries by the solar panels. This ensures the continuous operation of the waste recycling system, even during low-light or cloudy conditions. Consequently, a solar controller plays a vital role in maintaining the functionality and efficiency of solar-powered indoor waste recycling systems.
Q: Can a solar controller be used with solar panel roof mounts?
Yes, a solar controller can be used with solar panel roof mounts. The solar controller regulates the charging and discharging of the batteries connected to the solar panel system, regardless of the mounting method used.
Q: How does a solar controller prevent damage to solar panels?
A solar controller prevents damage to solar panels by regulating the flow of electricity from the panels to the battery or grid. It prevents overcharging of the battery by monitoring the voltage and current levels, ensuring that the panels operate within their safe limits. Additionally, it protects the panels from reverse current flow during low light or night time conditions, which can cause damage to the cells.
Q: Can a solar controller be used for battery charging in remote locations?
Yes, a solar controller can be used for battery charging in remote locations. Solar controllers are designed to regulate the charging process of solar panels and efficiently charge the batteries. This makes them an ideal solution for remote locations where access to the main power grid may be limited or non-existent. By harnessing solar energy, the solar controller can charge batteries and provide a reliable power source in areas far away from civilization.
Q: What are the different types of solar controllers?
There are three main types of solar controllers: PWM (Pulse Width Modulation), MPPT (Maximum Power Point Tracking), and basic on/off controllers.

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