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Description
SR-ML2420 MPPT SOLAR CONTROLLERMPPT High Efficiency, Solar Charge Controller, 20A(260W 12V, 520W 24V), 12V 24V Autoswitch, Maximum input voltage: 100V. MPPT High Efficiency Solar Charge Controller Feature With the advanced dual peak or multi peak tracking technology, when the solar panel is shadowed or part of the panel fails resulting in multiple peaks on the I V curve, the controller is still able to accurately track the maximum power point. A built in maximum power point
MPPT High Efficiency, Solar Charge Controller, 20A(260W/12V, 520W/24V), 12V/24V Autoswitch, Maximum input voltage:100V.
MPPT High Efficiency Solar Charge Controller
Feature
- With the advanced dual-peak or multi-peak tracking technology, when the solar panel is shadowed or part of the panel fails resulting in multiple peaks on the I-V curve, the controller is still able to accurately track the maximum power point.
- A built-in maximum power point tracking algorithm can significantly improve the energy utilization efficiency of photovoltaic systems, and raise the charging efficiency by 15% to 20% compared with the conventional PWM method.
- A combination of multiple tracking algorithms enables accurate tracking of the optimum working point on the I-V curve in an extremely short time.
- The product boasts an optimum MPPT tracking efficiency of up to 99.9%.
- Advanced digital power supply technologies raise the circuit's energy conversion efficiency to as high as 98%.
- Charging program options are available for different types of batteries including gel batteries, sealed batteries, open batteries, lithium batteries, etc.
- The controller features a limited current charging mode. When the solar panel power exceeds a certain level and the charging current is larger than the rated current, the controller will automatically lower the charging power and bring the charging current to the rated level.
- Instantaneous large current startup of capacitive loads is supported.
- Automatic recognition of battery voltage is supported.
- LED fault indicators and an LCD screen which can display abnormality information help users to quickly identify system faults.
- Historical data storage function is available, and data can be stored for up to a year.
- The controller is equipped with an LCD screen with which users can not only check device operating data and statuses, but also modify controller parameters.
- The controller supports standard Modbus protocol, fulfilling the communication needs of various occasions.
- The controller employs a built-in over-temperature protection mechanism. When temperature surpasses the set value, the charging current will decline in linear proportion to the temperature so as to curb the temperature rise of the controller, effectively keeping the controller from being damaged by overheat.
- Featuring a temperature compensation function, the controller can automatically adjust charging and discharging parameters in order to extend the battery's service life.
- TVS lighting protection
Downloads
Additional Information
| Device | MPPT Solar Controller |
| Type | MPPT | High Efficiency | Charge |
| Highlights | 20A(260W/12V, 520W/24V), 12V/24V | Autoswitch | Maximum input | 00V. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Quality air filter.
Color: 1Pc-CA10741
Appears to be of high quality, better than OEM. Good tight fit. Took less than 3 minutes to install in my 2010 Toyota Prius.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Abuse for many years with absolutely no disappointment. Worth the money!!
Color: 1Pc-CA11450
Fantastic filter that gets it's job done really well. Have you sees filters for years with absolutely zero problems or issues . I will continue to buy these Air Filters for my foreign made vehicles. Size was perfect easy installation good value for the money material isn't thin or cheaply made either. Definitely have enjoyed using these Motor Air and Cabin Air filters.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Great filter!
Color: 1Pc-CA10755
Perfect fit in my 2024 Toyota Tacoma TRD Sport! My original one has 25,000 miles on it and honestly, wasn't that bad. But, I knew that if I didn't spend $20 and change it myself, the dealership guys would hound me everytime and try to sell me a $75 filter.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Great value for DIY procedure for my BMW
Color: 1Pc-CA11118
Vehicle information: 2011 BMW 535i GT F07
The fitment is perfect, installation is simple certainly a DIY maintenance procedure. BMW wanted 300$ for install. I compared my oem to this and certainly equal or greater quality so great value.
The package includes a manual and a manufacturers sticker with a feedback card. It was sealed with package inside its cardboard.
The filter is a beautiful vibrant red. So when it starts to collect debris you will notice I imagine because it’ll shift color but it’s recommended you repose like every 10-15k miles
So intend to repurchase this exact filter when needed
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Fit perfectly on 2017 Prius
Color: 1Pc-CA11426
Excellent and Sturdy for 2017 Prius.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026