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    Picture of 20 Amp MPPT Solar Charge Controller, 12V/24V/48V
    Picture of 20 Amp MPPT Solar Charge Controller, 12V/24V/48V
    Picture of 20 Amp MPPT Solar Charge Controller, 12V/24V/48V

    20 Amp MPPT Solar Charge Controller, 12V/24V/48V

    3 review(s) | Add your review
    SKU: PH-MPPT-20
    $164.45
    ● 20 amp MPPT solar system charge controller available in three voltage 12V/24V/48V options ● Battery voltage identification range with 12V (DC 9V-15V), 24V (DC 18V-30V), 48V (DC 36V-60V), MPPT operating voltage range with 12V (DC 18V-150V), 24V (DC 34V-150V), 48V (DC 65V-150V) ● Three charging methods: constant current (MPPT), equalize charge, float charge ● MPPT charge controller is widely used in solar panels, lithium ion battery, wind turbine
    🚚 Free shipping
    ⏱ Delivery: 6-12 days
    🔙 30-day Returns
    Overview

    The solar panel controller is also lightning-proof and can generate electricity with a high voltage input for low light. 20A MPPT solar charge controller for sale, compatible with 12V, 24V, and 48V systems, featuring automatic recognition for seamless integration. Maximizing power conversion efficiency, this controller offers three-stage charging: constant current MPPT, delivering an impressive efficiency of 96.50%. Charge regulator static power consumption is minimal at just 2W, while the photovoltaic module utilization rate reaches an outstanding 99.97%, ensuring you get the most out of your solar panels.

    Specification

    Rated System Voltage 12/24/48V (automatic recognition)
    Rated Current 20A
    Current Limiting 22A
    Battery Voltage Recognition Range 12v(DC9-DC15V);24v(DC18-DC30V);48V(DC36-DC60V)
    MPPT Operating Voltage Range 12V(DC18V~DC150V); 24V(DC34v~DC150V); 48V(DC65V~150V)
    Maximum Photovoltaic Cell Input Power 12v(280W);24v(550W);48V(1100W)
    Input Low Voltage Protection Point 12V:DC16V;24V:DC30V;48V:DC60V
    Input Low Voltage Recovery Point 12V:DC18V;24V:DC34V;48V:DC65V
    Limit Input Voltage DC170V
    Input Overvoltage Protection Point DC175V
    Input Overvoltage Recovery Point DC170V
    Charging Method Three stages: constant current (MPPT, equalization charging, float charging)
    Static Power Consumption 2W
    Efficiency 96.50%
    Photovoltaic Module Utilization Rate 99.97%
    Float Voltage (customizable) 12V (13.75V); 24V (27.5V); 48V (55V)
    Equalizing Voltage (customizable) 12V (14.2V); 24V (28.4V); 48V (56.8V)
    Recommended PV Module Voltage 12V (DC 18V-60V); 24V (DC 36V-72V); 48V (DC 72V-144V)
    Temperature Compensation -3mV℃/2V
    Temperature Protection 85℃
    Temperature Rise Protection 80℃ or more to reduce power output
    Protective Function Photovoltaic array short-circuit, over-voltage, over-current reverse connection protection, battery over-charging, reverse connection protection, under-voltage protection
    Working Temperature -10℃ ~ +45℃
    Humidity 0~90% RH (no condensation)
    Altitude 0~3000m
    Security Level CE, PSE, FCC, EMC
    Mechanical Protection Class IP21
    Selectable Battery Type Lead-acid battery (Factory default), colloidal batteries, liquid batteries, lithium batteries,customize other types of battery charging
    Product Size 218*154*65 mm

    PDF computingSolar Mppt Charge Controller User Manual

    Details
    20 amp solar charge controller feature

    Feature

    • Extra large smart screen: Comprehensive display of power generation information
    • Peak power tracking technology: Higher charging efficiency
    • Various types of batteries: Factory default lead-acid batteries, can be adjusted according to the actual situation of equalization and float charging voltage
    • Thermal performance: Dual intelligent temperature control fans
    • Efficient tracking chip: Higher conversion efficiency
     

     

    • LED Display
    • Charge Indicator
    • Menu Bar Button
    • Flip Down Button
    • DC Output Indicator
    • Confirmation Button
    • Flip up Button
    • Junction Box Cover
    20 amp mppt solar charge controller detail


    MPPT Solar Charge Controller Connection Diagram

    MPPT solar charge controller connection diagram


    Application

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    FAQ

    Q1. What is MPPT technology, and how does it benefit my solar system?

    MPPT stands for Maximum Power Point Tracking. It optimizes the power conversion process by continuously adjusting the solar panel's operating point to maximize power output, resulting in increased energy harvest and efficiency.

    Q2. Is this charge controller compatible with all types of solar panels?

    Yes, typically, this controller is compatible with most types of solar panels, including monocrystalline, polycrystalline, and thin-film.

    Q3. Can I use this charge controller for my off-grid solar system?

    Yes, this charge controller is suitable for off-grid solar systems, providing efficient and reliable charging for batteries in remote locations.

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    3 review(s)
    4.7 3
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    Ethan | 8/26/2026 9:55 AM
    Didn't expect this much from a 20A controller.
    First time buying from PowerHome, and honestly, I'm impressed. The MPPT tracking actually works – saw a solid jump in harvest compared to my old PWM, especially on cloudy days. LCD display is clear, setup was straightforward, and it handles 12V/24V auto-switch without any fuss. For the price, this thing delivers way more than I expected. Five stars
    Nathan | 8/5/2026 1:07 AM
    Works Well, But the Manual's a Bit Vague
    Does what it's supposed to – charges my battery bank efficiently and the LCD screen is handy for checking the status at a glance. Easy enough to get running. Took off one star because the manual could be clearer on a few settings, but for the price, it's a solid MPPT controller
    Michael | 5/6/2026 2:22 AM
    Efficient 20A MPPT Solar Charge Controller
    I am beyond satisfied with this 20 Amp MPPT Solar Charge Controller. It automatically recognized my battery voltage, and the three-stage charging works perfectly with my lithium setup. The MPPT efficiency is outstanding even in low light, making it the most reliable solar regulator I've owned for my off-grid system!
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