Solar Charge Controller 12/24v Model SL-40A MPPT
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 pc
- Supply Capability:
- 300 pc/month
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1. Structure of Solar Charge Controller 12/24v Model SL-40A MPPT
Solar charge controller 12/24V Model SL-40A MPPT adopts advanced MCU microprocessor control technology and MPPT technology. And 12V/24V can detect by itself to choose output voltage. It is mainly used for solar power station, home solar power system, solar street light control system,mobile solar system.
2. Main Features of Solar Charge Controller 12/24v Model SL-40A MPPT
High converting efficiency higher than 97%for minimizing energy loss
Build-in MPPT tracker for optimizing the power transformation
Reversed current protection for preventing equipment damage
Automatic battery temperature compensation for long-term reliability
Capable of selecting different charging mode for various type of batteries
Capable of connecting additional DC load for wider applications
Three stage charge control system(bulk,absorption, and float mode)with temperaturecompensation
LED indicators display charge status in real time
Pulse width modulation(PWM)topology combined with a multi-stage charge control algorithm leads to superior charging and enhanced batteryperformance
3. Solar Charge Controller 12/24v Model SL-40A MPPT Images
4. Solar Charge Controller 12/24v Model SL-40A MPPT Specification
MODEL | SL-40A | |
Rated Voltage | 12/24VDC | |
Rated charge current | 40A | |
Load current | 15A | |
Input voltage rang | 15-55VDC | |
Max.PV open circuit array voltage | 55VD | |
Typical idle consumption | <10mA | |
Overload protection (DC load) | 2.0*inom>5s 1.5*inom>20s 1.25*inom temperature controlled | |
Bulk charge | 14.6V (default) | 29.2V (default) |
Floating charge | 13.4V (default) | 26.8V (default) |
Equalization charge | 14.0V (default) | 28.0V (default) |
Over charge disconnection | 14.8V | 29.6V |
Over charge recovery | 13.6V | 27.2V |
Over discharge disconnection | 10.8V(default) | 21.6V(default) |
Over discharge reconnection | 12.3V | 24.6V |
Temperature compensation | -13.2mv/C | -26.4mv/C |
Lead acid battery setting | Adjustable | |
Nicad battery setting | Adjustable | |
Load control mode
| 1. Low Voltage Reconnect (LVR): Adjustable 2. Low Voltage Disconnect (LVR): Automatic Disconnection 3.Reconnection:Includes warning flash before disconnect and reconnect | |
Low voltage reconnect | 12.0-14.0Vdc | 24.0-28.0Vdc |
Low voltage disconnect | 10.5-12.5Vdc | 21.0-25.0Vdc |
Ambient temperature | 0-40C (full load) 40-0C (de-rating) | |
Altitude | Operating 5000m,Non-operating 16000m | |
Protection class | IP21 | |
Battery temperature sensor | BTS optional remote batter temperature sensor for increased charging precision |
5. FAQ
Q1: How long do you need to prepare mass production?
Re: Normally we need 10-18days to finish the production, but it depends on the quantity of purchase order.
Q2: What kind of payment terms do you prefer?
Re: We prefer bank transfer or L/C,
- Q:Can a solar controller be used with a solar-powered charging station for electric vehicles?
- Yes, a solar controller can be used with a solar-powered charging station for electric vehicles. A solar controller, also known as a charge controller, is an essential component in a solar power system that regulates the charging and discharging of the batteries. In the context of a solar-powered charging station for electric vehicles, the solar controller plays a crucial role in ensuring efficient and safe charging of the electric vehicle's batteries. The solar controller monitors the amount of energy being generated by the solar panels and regulates the charging process to prevent overcharging or undercharging of the batteries. It also protects the batteries from various electrical issues such as overvoltage, overcurrent, and short circuits. Additionally, some advanced solar controllers have features like maximum power point tracking (MPPT) which optimizes the charging efficiency by extracting maximum power from the solar panels. By using a solar controller in conjunction with a solar-powered charging station for electric vehicles, the charging process becomes more reliable and efficient. It ensures that the electric vehicle's batteries receive the appropriate amount of energy from the solar panels, maximizing the charging capacity and extending the battery life. Moreover, the solar controller provides an additional layer of protection for the batteries, safeguarding them against potential damage caused by irregularities in the solar power system. Overall, a solar controller is an essential component that enhances the performance, efficiency, and safety of a solar-powered charging station for electric vehicles. Its inclusion ensures proper charging regulation, protection, and optimization of the solar power system, thereby making it an integral part of the charging infrastructure for electric vehicles.
- Q:Can a solar controller be used with solar panels that are connected to a solar street light?
- Yes, a solar controller can be used with solar panels that are connected to a solar street light. The solar controller regulates the flow of electricity from the solar panels to the street light, ensuring optimal charging and preventing overcharging or damage to the battery.
- Q:Can a solar controller be used with a solar-powered telecommunications system?
- Yes, a solar controller can be used with a solar-powered telecommunications system. A solar controller helps regulate the flow of electricity from the solar panels to the batteries, ensuring that the system is charged efficiently and protecting the batteries from overcharging. It is an essential component in maintaining the performance and longevity of a solar-powered telecommunications system.
- Q:What is the maximum voltage drop allowed between the solar panels and the solar controller?
- The maximum voltage drop allowed between the solar panels and the solar controller depends on the specific system and its components. Generally, it is recommended to keep the voltage drop below 2% for efficient operation. However, this value may vary depending on factors such as the distance between the panels and the controller, the size of the system, and the type of wiring used. It is important to consult the manufacturer's specifications and guidelines for the solar panels and controller being used to determine the maximum acceptable voltage drop.
- Q:Are there any disadvantages of using a solar controller?
- Using a solar controller has its drawbacks. Firstly, the cost of purchasing and installing a solar controller can be quite high. This can increase the overall expenses of setting up a solar power system, which might discourage certain individuals or businesses. Secondly, operating and maintaining solar controllers can be complex. They require proper programming and configuration to ensure optimal performance, as well as regular maintenance to keep them running efficiently. This may necessitate technical expertise or the hiring of professionals, resulting in additional costs. Furthermore, solar controllers may have limited compatibility with specific solar panels or battery systems. It is crucial to ensure that the solar controller is compatible with the particular components of the solar power system. Otherwise, it may malfunction or even cause damage. Lastly, solar controllers rely on sunlight for power generation. Therefore, they may not be as effective in areas with limited sunlight or during cloudy days. This can lead to decreased energy production and may require alternative power sources or energy storage solutions. In conclusion, while solar controllers offer various advantages in terms of regulating and optimizing solar power systems, they also come with certain disadvantages that should be taken into account before making a decision.
- Q:How does a solar controller prevent damage from power spikes?
- A solar controller prevents damage from power spikes by regulating and stabilizing the flow of electricity from the solar panels to the battery. It acts as a barrier between the solar panels and the battery, ensuring that only the appropriate voltage and current are supplied to the battery, thus protecting it from potential damage caused by power spikes or surges.
- Q:How does a solar controller handle battery maintenance charging?
- A solar controller handles battery maintenance charging by regulating the amount of charge delivered to the battery based on its state of charge. It monitors the battery voltage and adjusts the charging current to prevent overcharging and protect the battery from damage. Additionally, it may also incorporate temperature compensation to optimize the charging process based on the temperature of the battery.
- Q:Can a solar controller be used with other renewable energy sources?
- Yes, a solar controller can be used with other renewable energy sources. Solar controllers are designed to regulate and monitor the charging and discharging of batteries in solar power systems. However, they can also be compatible with other renewable energy sources like wind or hydro power, as long as the voltage and current requirements are within the controller's specifications.
- Q:How do I prevent reverse current flow with a solar controller?
- To prevent reverse current flow with a solar controller, you can take the following steps: 1. Select a solar controller with built-in reverse current protection: When purchasing a solar controller, ensure that it has a built-in reverse current protection feature. This feature prevents current from flowing back into the solar panel when there is no sunlight or when the battery is fully charged. 2. Install a blocking diode: A blocking diode can be installed in the circuit between the solar panel and the solar controller. The diode acts as a one-way valve, allowing current to flow from the solar panel to the controller but preventing reverse current flow. 3. Properly wire the solar controller: Follow the manufacturer's instructions and ensure that the solar panel, battery, and load are correctly connected to the solar controller. Improper wiring can lead to reverse current flow and potential damage to the solar system. 4. Use a charge controller with a low voltage disconnect (LVD) feature: A low voltage disconnect feature automatically disconnects the load from the battery when it reaches a critically low voltage. This prevents the battery from discharging excessively, which can lead to reverse current flow. 5. Regularly monitor the solar system: Keep an eye on the solar system's performance and check for any signs of reverse current flow. Monitor the battery voltage, charging status, and any unusual behavior that may indicate a problem. If reverse current flow is detected, promptly investigate and take necessary steps to rectify the issue. By implementing these measures, you can effectively prevent reverse current flow and ensure the efficient and safe operation of your solar system.
- Q:Can a solar controller be used in a standalone solar power system?
- Yes, a solar controller can be used in a standalone solar power system. A solar controller regulates the voltage and current from the solar panels to the batteries, ensuring optimal charging and preventing overcharging. In a standalone solar power system, where there is no connection to the grid, a solar controller is essential to manage the flow of energy and protect the batteries.
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Solar Charge Controller 12/24v Model SL-40A MPPT
- Loading Port:
- Shekou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 pc
- Supply Capability:
- 300 pc/month
OKorder Service Pledge
OKorder Financial Service
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