40 Amp MPPT Solar Charge Controller, 12/24V

● 40 amp max current MPPT solar charge controller with rated voltage 12/24V ● MPPT solar charge controller obtains energy from the solar panels and stores the energy in the battery ● Display screen shows daily and cumulative power generation, as well as maximum daily charging current and power ● Provides daily power generation curve, fault records, and controller parameter setting function, enhancing understanding of solar system real-time operation for both DIY and professional users
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⏱️ Delivery: 6-12 days
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Efficiently managing your solar power system, PowerHome 40A MPPT solar charge controller is designed to handle a rated current of 40A, making it ideal for medium to large-scale solar installations. With its advanced Maximum Power Point Tracking (MPPT) technology, it maximizes the efficiency of your solar panels, ensuring optimal power generation even in varying weather conditions. Featuring a static power consumption of ≤2W, this controller minimizes energy loss, allowing for greater overall system efficiency. It is compatible with both 12V and 24V systems, offering versatility to suit various solar setups.

Reliable and easy to use, this MPPT solar charge controller is equipped with comprehensive protection mechanisms to safeguard your system against overcharging, over-discharging, short circuits, and reverse polarity. Experience seamless integration and superior performance with 40A MPPT solar charge controller, empowering you to harness the full potential of solar energy with confidence.

40 amp mppt solar charge feature


  • Ultra-fast tracking speed, tracking once per second
  • Able to charge batteries with voltages as low as 0V, restoring the battery's voltage
  • Full power, high efficiency, with a temperature rise of only 25°C under full load conditions
  • MPPT Solar Charge Controller will record the power generation curve of the past week. By analyzing the curve, it can be determined whether the solar panels are installed correctly and if the battery requires maintenance
  • Lead acid maintenance free batteries, colloidal batteries, liquid batteries, lithium batteries (other types of batteries can also be customized for charging)


  1. Charging indicator light
  2. DC output indicator light
  3. LCD display screen
  4. Terminal box cover
  5. Function menu button
  6. Up navigation button
  7. Confirm button
  8. Down navigation button
40 amp mppt solar charge controller details

40 Amp Solar Charge Controller Dimension (unit: mm)

40 amp mppt solar charge dimensions

40 Amp Solar Charge Controller Wiring Diagram

40 amp mppt solar charge controller wiring diagram

Rated Voltage 40A
Rated Current 12/24V
Charge Mode MPPT automatic maximum power point tracking
Charge Method  3 stage: constant currenet(MPPT), equalizing charge, float charge
System type  12/24 automatic identify 
Dynamic Response Time to Recover ≤ 500US
Quiescent Dissipation ≤ 2W
Machine Efficiency ≥ 90-95%
PV Module Utilization ≤ 98%
Limit Input Voltage DC 95V
Input Over-Voltage Protection Points DC 95V
input Over-Voltage Recovery Points DC 95V
Identify Range of Battery Voltage 12V: DC 9V-15V; 24V: DC 18V-30V
MPPT Working Voltage Range 12V: DC 18V-95V; 24V: DC 34V-95V
Input Low Voltage Protection Points 12V: DC 16V; 24V: DC 30V
Input Low Pressure Recovery Points 12V: DC 18V; 24V: DC 34V
The Maximum Input Power of Solar 12V: 276W; 414W; 552W; 690W; 828W; 24V: 552W; 818W; 1104W; 1380W; 1656W
Optional Battery Type (lead-acid battery default) Lead-acid battery, colloidal batteries, liquid batteries, lithium batteries (Also can be customized for other types of battery charging)
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Q1. What is MPPT technology, and how does it benefit my solar system?

MPPT (Maximum Power Point Tracking) technology is a feature of our solar charge controller that optimizes the efficiency of your solar panels by constantly adjusting the operating point to extract the maximum power available from the panels. This results in higher energy yields, especially in varying weather conditions, ultimately maximizing the performance of your solar system.

Q2. What protections does the charge controller offer for my solar system?

PowerHome MPPT charge controller comes equipped with comprehensive protection mechanisms, including overcharging, over-discharging, short circuit, and reverse polarity protection. These features ensure the safety and longevity of your solar system components, providing peace of mind for reliable operation.

Q3. How can I monitor the performance of my solar charge controller?

Many solar charge controllers come with built-in monitoring features such as LCD displays or mobile app connectivity. These allow you to track real-time performance metrics like charging current, battery voltage, and energy yield, providing valuable insights into your system's operation.

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