After-sales Service: | 3years |
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Warranty: | 3years |
Condition: | New |
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Shipping Cost:
Estimated freight per unit. |
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 environmental conditions change, the controller automatically tracks the maximum power point of your solar panels, extracting the highest amount of energy from your solar array.
Developed by Guangdong Solarthon Technology Co., Ltd., a leading company in the solar energy industry, this Solar Power System MPPT Solar Collector is a reliable and efficient solution for your solar panel system. It is compatible with various solar energy products, including solar water heaters, wind turbines, and solar inverters, making it a versatile choice for your renewable energy needs.
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 maximize your energy extraction with this state-of-the-art controller.
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.
A: What kind of output can you provide?
Q: Normally, we produce inverters with self-adapting 110V, 115V, 120V, 220V, 230V, and 240V outputs at 50/60Hz. If you have special requirements, please let us know for engineer consultation.
A: What's the difference between a low frequency and high frequency inverter?
Q: A low frequency inverter offers various protections, strong adaptability to different environments, and reliable voltage regulation.
A: 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, no harmonic pollution, and is environmentally friendly. It also provides protection for 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 are also not compatible with modified sine waves.
A: What appliances can your inverters handle?
Q: Our inverters can be used with household, office, and agricultural appliances, as well as other inductive loads like refrigerators, air conditioners, and water pumps.
A: Can you customize the inverters with our company logo?
Q: Yes, we accept OEM orders and can print your company logo on the inverters, nameplates, and packaging.
A: How do I choose the right inverter?
Q: Simply tell us your requirements, and our sales team will recommend a suitable inverter for you.
A: How can I solve technical problems?
Q: We offer 24-hour after-service consultancy to help you easily solve any technical problems you may encounter.
A: Do I need a power inverter?
Q: Actually, a power inverter is not absolutely required for a solar energy system. However, without one, you won't 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.
A: 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's important to ensure that the solar panels, inverter, and battery bank all use the same voltage when deciding on a system voltage.
A: 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 provide free spare parts for PCB board replacements as part of our after-sale service.
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