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CTECHI is an expert in battery solutions, specializing in ODM, OEM, and SKD for energy storage, motive power, and consumer batteries.

Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 1
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 2
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 3
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 4
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 5
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 1
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 2
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 3
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 4
Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi 5

Factory Price 20A MPPT Charge Controller 12/24V Auto - Negative Grounded Model Supplier-CTECHi

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    Availability
    OEM, ODM

    OEM WELCOME
    ODM ACCEPTABLE
    DISTRIBUTOR WANTED
    SKD (SEMI KNOCK DOWN)SERVICE

    Introducing the M2420N 20A MPPT Charge Controller 12/24V Auto-Negative Grounded Model, your reliable solution for small and medium-sized solar standalone power systems.

    Advanced MPPT Technology:

    Equipped with advanced Maximum Power Point Tracking (MPPT) technology, the M2420N ensures optimal efficiency in harvesting solar energy. Maximize the power output from your solar panels and enjoy increased charging efficiency for your batteries.

    Tailored for North American Standards:

    The M2420N is specifically designed to meet the electrical wiring standards widely required in solar power systems in North America. Its negative grounded model ensures seamless integration into your solar setup, providing peace of mind and compliance with regional regulations.

    Flexible Voltage Compatibility:

    With support for both 12V and 24V systems, this charge controller offers versatility to accommodate various solar configurations. Whether you're powering small-scale residential setups or medium-sized off-grid applications, the M2420N adapts to your voltage needs with ease.

    Reliable Performance:

    Built to deliver reliable performance, the M2420N is engineered to handle the demands of everyday use in solar applications. Its robust design and durable construction ensure long-term functionality, providing consistent and stable charging for your batteries.

    User-Friendly Operation:

    Experience hassle-free installation and operation with the M2420N. Its user-friendly interface and intuitive controls make it easy to set up and monitor your solar system. Stay in control of your energy production and storage with confidence.

    Upgrade your solar power system with the M2420N 20A MPPT Charge Controller 12/24V Auto-Negative Grounded Model and unlock the full potential of your solar energy setup. Efficient, compliant, and reliable – it's the perfect choice for your solar charging needs.

    Function

    * 12/24V battery system auto recognition

    * 100Voc max PV input voltage 

    * 20A max charge current

    * 600W max PV input power

    * 300 days max data logging

    * 0.3W max self-power consumption

    * Negative grounded design

    * Inbuilt BT module for APP operation

    Advanced Maximum Power Point Tracking (MPPT) Technology

    * Fast MPPT starts with ultra-fast of sweeping of the entire V-I curve

    * Smart MPPT algorithm ensures better tracking in multiple power points  

    * High PV harvest performance in weak sunlight conditions

    * Excellent peak efficiency exceeds 98%

    High Quality & Functions

    * No cooling fan; over-rating size heating sink

    * Overrating electronic components to minimize the power loss from heating

    * Full charge power output up to 45ºC

    * Compensates battery charge voltages with the use of a temperature sensor

    * LCD screen display; key operation for parameter settings

    * Lead-acid AGM/GEL/Flooded & Lithium batteries supportable

    Reliable Electronic Protections

    * Advanced protections for battery charge & discharge

    * Over-heating protection by power derating if the temperature is high

    * Allow max 25% exceeding rated power without controller damage

    * Extensive protections including PV reverse polarity & reverse current protection

    Extensive Device Functions

    * RS485 port for Modbus communication

    * External port for multiple devices parallel use

    * Extra 20A DC load output control with various load modes

    * External Bluetooth module connection for APP operation

    * External remote LCD connection


    Controller Parameter
    Value
    Model No.
    M2420N
    M2430N
    M2440N
    M4850N
    M4860N
    System Wiring
    Negative Grounded
    Battery System Voltage
    12V/24V
    Auto (FLD/GEL/SEL/USE)
    Manual (Li/USE)
    12V/24/36/48V
    Auto (FLD/GEL/SEL/USE)
    Manual (Li/USE)
    No-load Loss
    12mA/12V;10mA/24V
    12mA/12V;10mA/24V
    5mA/36V;6mA/48V
    Max Solar Input Voltage
    <100Voc
    <150Voc
    Rated Solar Charge Current
    20A
    30A
    40A
    60A
    Max Solar Input Power
    300W/12V
    600W/24V
    450W/12V
    900W/24V
    600W/12V
    1200W/24V
    750W/12V
    1500W/24V
    2200W/36V
    2700W/48V
    900W/12V
    1800W/24V
    2600W/36V
    3200W/48V
    Light Control Voltage
    5V*n
    Light Control Delay Time
    10s
    Max Load Output Current
    20A
    IP Protection
    IP32
    Net Weight
    1.21KG
    2.02KG
    2.02KG
    3KG
    4.55KG
    Communication Port
    RS485
    Operating Altitude
    ≤ 3000 m
    Controller Dimension(mm)
    180*140*71.1
    245*180*82.5
    245*180*82.5
    280*210*90.6
    280*210*102.7
    Battery Voltages
    Battery Parameters
    Battery Types
    FLD
    SEL
    GEL
    USE
    (adjustable)
    LI
    (adjustable)
    Equalize Charge Voltage
    14.8V*n
    14.6V*n
    -
    Default
    -
    Boost Charge Voltage
    14.6V*n
    14.4V*n
    13.2V*n
    Default: GEL
    Default: 14.2V*n
    Float Charge Voltage
    13.8V*n
    Default: GEL
    -
    Boost Charge Recovery Voltage
    13.2V*n
    Default: GEL
    -
    Over-discharge Recovery Voltage
    12.6V*n
    Default: GEL
    -
    Over-discharge Voltage
    11.1V*n
    Default: GEL
    Default: 14.2V*n
    Auto Temperature Compensation
    -3mV/2V/ºC
    Default: GEL

    CTECHi 20A MPPT Solar Charge Controller (12/24V, Auto, Negative Ground)

    Increase Your Solar System's Efficiency

    This feature-packed MPPT (Maximum Power Point Tracking) solar charge controller optimizes solar panel output, maximizing the power delivered to your batteries. It automatically adjusts to 12V or 24V systems for hassle-free installation and is compatible with negative grounded setups, providing greater versatility.

    Benefits for Bulk Order Customers:

    • Wholesale Discounts:  CTECHi offers significant price reductions for bulk purchases, making our MPPT charge controller the perfect choice for wholesalers, installers, and agents.

    • Enhanced Reliability:  Built with high-quality components and featuring a robust design, this controller ensures long-lasting performance in off-grid solar applications.

    • Wide Application:  Compatible with various battery types, including Lead Acid and Lithium Iron Phosphate (LiFePO4), this controller caters to diverse solar system configurations.

    Key Features:

    • Advanced MPPT technology for maximized solar power harvesting

    • Automatic 12V/24V system detection

    • Negative ground compatible

    • Durable construction for reliable operation

    • Perfect for off-grid solar systems

    • Ideal for Lead Acid and LiFePO4 batteries

    Get Started with Bulk Orders Today!


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