Solar charge controller with LCD display

Solar charge controller with LCD display

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Loading Port:: Shekou

Payment Terms:: TT OR LC

Min Order Qty:: 50 unit

Supply Capability:: 100000 unit/month

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1. The charge controller automatically recognize 12V or 24V system.

2. Mainly suitable for small off-grid solar power system, for example: home solar power systems, ships, self-service base stations, outposts, etc.

3. LCD display various parameters of charge and discharge.

4. Boost charge voltage and battery low voltage protection point can be adjustable 5. The three-stage PWM charging mode

6. Load output can be manually controlled。

7. With high-precision temperature compensation function.

8. With electronic protection

Technical Data

MODEL	SNC10 SNC20 SNC30 SNC40
Max.solar panel current	10A 20A 30A 40A
Max. load current	10A 20A 30A 40A
NO-load current	10MA
Overvoltage protection	15.5V(12V)， 31V/24V；
Work temperature range：	-35℃--+55℃
Boost voltage	14.6V(12V), 29.2V/(24V)
Equalization voltage	14.8V(12V), 29.6/(24V)
Float voltage	13.8V(12V), 27.6V/(24V)
Recharge voltage	13.2V(12V)； 26.4/(24V)；
Temperature compensation	-5mv/℃/2V
Low-voltage disconnect	11V(12V)； 22/24V；
Load reconnect voltage	12.6V（12V), 25.2/24V
Charge control mode	PWM
diplay mode	LCD

Q:Can a solar controller prevent overcharging of batteries?: Preventing overcharging of batteries is one of the key functions of a solar controller. Also referred to as a charge controller or regulator, it plays a vital role in a solar power system by regulating the voltage and current that flows from the solar panels to the batteries. Its primary purpose is to protect the batteries from overcharging, as this can result in reduced battery life and potential damage. The solar controller constantly monitors the voltage and state of charge of the batteries, making adjustments to the charging current as necessary. When the batteries reach full charge, the solar controller prevents any further charging by redirecting the excess energy generated by the solar panels. Typically, this is achieved by either reducing the charging current or disconnecting the panels from the batteries. In addition to its basic functions, some advanced solar controllers offer additional features such as temperature compensation and equalization charging. Temperature compensation ensures optimal battery performance and longevity by adjusting the charging voltage based on the battery temperature, preventing overcharging or undercharging in different environmental conditions. On the other hand, equalization charging is a controlled overcharging process that is performed periodically to balance the battery cells and eliminate sulfation, ultimately enhancing battery performance. In summary, a solar controller is an indispensable component in a solar power system that safeguards the batteries against overcharging. Its presence ensures the longevity and optimal performance of the batteries, making it an essential aspect of any solar setup.

Q:Can a solar controller be used with solar-powered marine systems?: Yes, a solar controller can be used with solar-powered marine systems. A solar controller helps regulate and optimize the charging process of batteries connected to solar panels. This is essential in marine systems as it helps protect the batteries from overcharging and provides efficient power management.

Q:Can a solar controller be used with a solar-powered wireless network?: Yes, a solar controller can be used with a solar-powered wireless network. A solar controller regulates and controls the flow of power from the solar panels to the network devices, ensuring proper charging and optimal performance. It helps manage the power generated by the solar panels and ensures that the wireless network operates efficiently even in varying solar conditions.

Q:Can a solar controller handle varying environmental conditions?: Yes, a solar controller is designed to handle varying environmental conditions. It is built to withstand extreme temperatures, moisture, and other environmental factors that are commonly experienced in outdoor settings. Additionally, solar controllers are equipped with protective measures to ensure reliable operation even in challenging conditions.

Q:Can a solar controller be used in hybrid systems?: Yes, a solar controller can be used in hybrid systems. A solar controller regulates the flow of electricity from the solar panels to the batteries, ensuring that the batteries are charged efficiently. In a hybrid system, where solar energy is combined with another power source like wind or grid power, the solar controller plays a crucial role in managing the charging and discharging of the batteries, regardless of the power source.

Q:Are there any maintenance requirements for solar controllers?: Yes, solar controllers typically have minimal maintenance requirements. It is recommended to regularly inspect and clean the solar controller to ensure there are no obstructions or buildup that could affect its performance. Additionally, checking the connections and wiring for any loose or damaged parts is advisable. Overall, solar controllers are designed to be durable and require very little maintenance.

Q:How do I prevent deep discharge of batteries with a solar controller?: To prevent deep discharge of batteries with a solar controller, you can follow a few key steps: 1. Set the low voltage disconnect (LVD) point: Adjust the LVD point on your solar controller to a suitable level that prevents the battery from discharging too deeply. This ensures that the controller cuts off the power flow from the battery before it reaches critically low levels. 2. Implement battery voltage monitoring: Regularly monitor the battery voltage to ensure it does not drop below a certain threshold. Many solar controllers have built-in voltage monitoring capabilities, or you can use a separate battery voltage monitor to keep track of the battery's status. 3. Utilize battery protection features: Some solar controllers offer additional features like over-discharge protection. Enable these features to add an extra layer of security against deep battery discharge. These protections typically work by automatically cutting off power supply when the battery voltage falls below a certain level. 4. Optimize system sizing: Ensure that the solar panel and battery capacity are appropriately sized for your energy needs. Oversizing the system can help prevent deep discharge as it provides a larger buffer of stored energy. 5. Regular maintenance and inspection: Regularly inspect your solar controller, battery, and overall system to detect any issues that may lead to deep discharge. This includes checking for loose connections, damaged cables, or any signs of malfunctioning equipment. By following these steps, you can effectively prevent deep discharge of batteries with a solar controller, prolonging their lifespan and ensuring reliable power supply from your solar system.

Q:How does a solar controller handle the protection against overheating?: A solar controller handles protection against overheating by monitoring the temperature of the solar panels and regulating the amount of current flowing through them. If the panels reach a certain temperature threshold, the controller will automatically reduce the current or shut off the system temporarily to prevent damage from excessive heat.

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.

Q:Can a solar controller be used with a solar-powered landfill gas extraction system?: Yes, a solar controller can be used with a solar-powered landfill gas extraction system. The solar controller helps regulate and optimize the charging and discharging of the batteries used to store the solar energy generated by the system. It ensures that the extracted landfill gas is efficiently converted into electricity while maintaining the battery life and system performance.

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