After-sales Service: | 3years |
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Warranty: | 3years |
Condition: | New |
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Shipping Cost:
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about shipping cost and estimated delivery time. |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Introducing the Solarthon MPPT Solar Charge and Discharge Controller, a cutting-edge charging solution designed to optimize the power output of your solar panel system. With its advanced maximum power point tracking (MPPT) technology, this controller continuously monitors the voltage of your solar panels in real time, ensuring that your battery is charged with maximum efficiency.
Unlike traditional controllers, the MPPT mode of this series of controllers is fully automatic, eliminating the need for user adjustment. As the maximum power point of your solar panels can vary depending on environmental conditions, this controller intelligently tracks and adjusts to the optimal power point, guaranteeing maximum energy extraction from your solar array.
Developed by Guangdong Solarthon Technology Co., Ltd., a leading name in solar energy products, this Solar Collector MPPT Solar Charge Controller is a reliable and efficient solution for your solar power system. Whether you are using it for a solar water heater, a wind turbine, or a hybrid wind-solar system, this controller will ensure that your battery is charged with the highest power output possible.
Experience the benefits of maximum power point tracking with the Solarthon MPPT Solar Charge and Discharge Controller. Harness the full potential of your solar panel system and enjoy the peace of mind that comes with optimized energy extraction.
Model | STB1220 | STB1240 | STB1260 |
Maximum Charging Current | 20A | 40A | 60A |
System Voltage | 12/24V automatic identification | 12/24V automatic identification | LiFePO4 12.8V 120AH |
MPPT Charging Voltage | <14.5/29V | <14.5/29V | 12V/24V <10mA, 48v<12mA |
Maximum Battery Voltage | 35V | 35V | 35V |
Overcharge protection voltage | 10.0~32.0V(lithium battery, default 14.4V) | ||
Battery Type | gel, AGM, lead-acid, lithium (default gel battery) | ||
Maximum PV Voltage | 100V(-20ºC), 90V(25ºC) | ||
Maximum input power | 260W/520W | 520W/1040W | 750W/1500W |
MPPT Tracking Range | battery voltage+1.0V)~Voc*0.9 *² | ||
Output Current | 20A | 30A | 30A |
Operating Mode | universal controller (default), street light mode, user manual mode | ||
Maximum MPPT Tracking Efficiency | >99.9% | >99.9% | >99.9% |
Maximum Charging Conversion Efficiency | 98.0% | 98.0% | 98.0% |
Dimensions | 136.6*136.6*67.1mm | 196.5*136.6*97.1mm | 262.5*186.5*97.5mm |
Self Power Consumption | ≤12mA | ≤12mA | ≤12mA |
Communication | RS485(RJ11 port) | RS485(RJ11 port) | RS485(RJ11 port) |
Operating Ambient Temperature | -20~+55ºC | -20~+55ºC | -20~+55ºC |
Storage Temperature | -25~+55ºC | -25~+55ºC | -25~+55ºC |
IP Rating | IP32 | IP32 | IP32 |
Are your inverters pure sine wave output?
Q: Yes, all our inverters provide true pure sine wave output.
What kind of output can you provide?
Q: Normally, we produce inverters with 110V, 115V, 120V, 220V, 230V, and 240V, with a self-adapting frequency of 50/60Hz. If you have any special requirements, please let us know for engineer consultation.
What's the difference between a low frequency and high frequency inverter?
Q: A low frequency inverter offers various protections and has a strong ability to adapt to different environments. It is more reliable and provides voltage regulation.
What's the difference between a pure sine wave inverter and a modified sine wave inverter?
Q: A pure sine wave output inverter is comparable to the public power grid, if not better. It has a low repair rate, long lifespan, and does not cause harmonic pollution. It is also environmentally friendly and protects appliances. On the other hand, a modified sine wave output can negatively impact appliances and cannot handle inductive loads such as air conditioners and refrigerators. Certain motor control circuits may not be compatible with the modified wave.
What appliances can your inverters handle?
Q: Our inverters can be used with household, office, and agricultural appliances, as well as other inductive loads such as refrigerators, air conditioners, and water pumps.
Can you print our company logo on inverters, nameplates, and packaging?
Q: Yes, we accept OEM orders and can customize the products with your company logo.
How do I choose the right inverter?
Q: Simply tell us your requirements, and our sales team will recommend a suitable inverter for you.
How do I solve technical problems?
Q: We provide 24-hour after-service consultancy to help you easily solve any technical problems you may encounter.
Do I need a power inverter?
Q: Actually, a power inverter is not absolutely required for a solar energy system. However, without one, you will not have access to 220 or 230 volts AC and will solely rely on battery power. While this may be acceptable for small RVs or cabins, most people prefer to use normal AC appliances.
What's the difference between 12, 24, and 48 volt inverters?
Q: The voltage refers to the input voltage from the battery bank. The main consideration is that higher voltages result in lower currents, allowing for the use of smaller wires between the solar panel array and the battery bank. It is important to ensure that the solar panels, inverter, and battery bank all use the same voltage when deciding on a system voltage.
What should I do if the product is broken?
Q: If any product is faulty, you can send us pictures or videos, and we will assess the issue. We will provide the necessary spare parts for the PCB board free of charge for after-sales service.
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