100 Amp 12/24/36/48V MPPT Solar Charge Controller

$368.97

| 8 review(s) | Add your review

Buy a 100 amp MPPT solar charge controller in factory price. Short circuit protection and charging temperature protection of this solar charge MPPT controller. 100a MPPT solar charge controller equipped with intelligent level 3-stage battery charging, to ensure the safety and stability. This type of solar charger controller often appears in solar photovoltaic system, easy to operate and set up.

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Delivery date: 6-12 days

SKU: ATO-MPPT-CM-100

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Overview
Specs
FAQ
Reviews

Overview

100A MPPT (Maximum Power Point Tracking) solar charge controller is a device used in solar power systems to optimize the efficiency of energy conversion from solar panels to batteries. System voltage 12V/24V/36V/48V automatic recognition (Lead-acid battery). MPPT technology enables the charge controller to continuously adjust and find the most efficient voltage point at which the solar panels produce the maximum power, thereby increasing the overall energy harvested compared to traditional PWM (Pulse Width Modulation) controllers. This results in improved performance and faster battery charging.

Features:

Higher efficiency. MPPT solar power controller can convert excess voltage into additional current. It typically operate at an efficiency of 95-98%.
Battery compatibility. MPPT pv charge controller can be used with different types of batteries, including lead-acid (AGM, gel) and lithium-ion.
Multiple protection. This solar charge controller has short circuit protection, current limiting and power limiting protection.
Maximum power point tracking. The primary feature of a MPPT controller is its ability to identify the maximum power point of a solar panel's power output. This allows the controller to adjust the electrical operating point of the modules, ensuring that the system operates at the highest efficiency possible.

Details:

LCD Display

LCD display in a 100 amp solar controller offers real-time monitoring of system performance. It enhances user interaction by providing easy-to-read data, and allows for quick adjustments to settings. This improves overall system efficiency. Overall, LCD displays improve user interaction, system monitoring, and operational effectiveness in solar panel MPPT charge controller.

Dual Cooling Fans

Dual cooling fans in 100a MPPT charge controller enhance thermal management, ensuring the device operates efficiently by preventing overheating. This improved cooling capability extends the lifespan of the controller and its components, maintaining optimal performance even under high load or elevated temperatures. Dual fans provide redundancy, reducing the risk of system failure if one fan malfunctions.

Large Cross-section

It allows for higher current handling, reducing resistive losses and heat generation. This larger cross-sectional area improves the MPPT solar charge regulator's ability to manage and convert more power from solar panels, leading to better energy capture and utilization. It enables the controller to operate more reliably under high current conditions.

MPPT Charge Controller Interface Introduction:

MPPT solar charge controller interface

100 Amp MPPT Charge Controller Wiring Diagram:

100 amp mppt solar charge controller wiring diagram

Applications:

Solar Roof

Solar Awning

Solar Power System

Solar RV

Specs

Model	ATO-MPPT-CM-100
System voltage	12V/24V/36V/48V automatic recognition (Lead-acid battery)
Load loss	≤0.4W
Solar maximum input voltage	180V (25℃), 160V (-25℃)
Battery voltage	9-64V
Maximum power voltage range	storage battery voltage +2V~150V
Rated charging current	100A
Rated load current	40A
Maximum input power of solar panel	1200W/12V; 2400W/24V; 3600W/36V; 4800W/48V
Conversion efficiency	≤98%
MPPT tracking efficiency	＞99%
Temperature compensation	-2mv/℃/2V (default value)
Operating temperature	-10 ℃~65 ℃
Protection level	IP21 (For indoor or rain-protected area)
Altitude	≤3000 meters
Net weight	2900g
Product size	313225105mm

FAQ

How does MPPT solar charge controller work?

MPPT solar charge controller optimizes the charging of batteries from solar panels by ensuring the maximum power output from the panels. It continuously monitors the voltage and current output of the solar panels and adjusts the electrical load to operate at the maximum power point, where the product of voltage and current is highest. This is particularly useful in varying sunlight conditions.

When sunlight intensity or temperature changes, the maximum power point shifts. The MPPT charge controller dynamically adjusts to these changes, ensuring the solar panels always operate at peak efficiency. This allows more efficient energy harvesting compared to traditional charge controllers, especially in less-than-ideal weather or with partially shaded panels. By doing so, MPPT controllers can increase the efficiency of solar systems by up to 30%, making them ideal for maximizing energy production in solar power systems.

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Existing reviews

Stable performance

This 100a MPPT solar charge controller has been working reliably for the past three months. I like the clear LCD display because it shows important information in real time. The cooling performance is good, and the unit stays stable even during high-current charging.

From: Orlov Watson | Date: 5/25/2026 12:31 AM

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Reliable power management for my home solar system

I live in a suburban area where power outages happen occasionally, so having a stable solar charge controller is very important. I installed this 100 amp MPPT solar charge controller in my home solar setup to manage the power coming from my rooftop panels, and it has been working very reliably. My system runs on a 48V battery bank, and this controller automatically detected the voltage without any complicated settings.

From: Fergus Langley | Date: 3/19/2026 1:28 AM

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Quality feels solid

Since using this 100 amp mppt solar charge controller, I've noticed a more stable power supply for my home appliances. The build quality feels solid, with a durable casing and reliable internal components. Also, the controller is a bit bulky, which may be an issue if you have limited space. Overall, it is still a good solar charge controller.

From: Elmer Gary | Date: 11/20/2025 1:21 AM

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Easy to set up

This 100 amp mppt solar charge controller has exceeded my expectations in both performance and reliability. The LCD screen is clear and easy to read, and the settings are simple to adjust. The build quality feels solid and durable.

From: Jinny Swift | Date: 7/13/2025 8:06 PM

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Powerful 100A MPPT solar charge controller.

Last month, I hooked this 100A MPPT charge controller into my 48V solar setup, and it’s handled the load effectively. The 3-stage charging keeps my battery bank in good shape, and the setup was pretty straightforward even for a DIY user.

From: Benson Doyle | Date: 5/12/2025 7:24 PM

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Affordable 100A MPPT solar charge controller

Performance is better than expected. A beautiful little 100 amp mppt solar charge controller that works well and is more than affordable. Installed about 6 months ago and easy to install.

From: Kyle Willard | Date: 3/12/2025 9:22 PM

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Excellent performance

I have no complaints, this 100 amp MPPT solar charge controller operates as expected and is easy to install. Installing it in a well-ventilated area in the correct orientation to promote natural airflow. I will order more.

From: Thomas Ken | Date: 12/2/2024 12:56 AM

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Robust 100 amp MPPT solar charge controller

This 100A MPPT solar charge controller is a marvel of solar technology. It's robust. The solar charge controller handles the combined power of these panels with ease, efficiently regulating the power and charging my battery bank with no hiccups. What sets this charge controller apart is its MPPT (Maximum Power Point Tracking) technology. The MPPT ensures that I am getting the most out of my solar panels, regardless of the weather conditions.

From: Farrah Brown | Date: 9/22/2024 9:03 PM

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100 Amp 12/24/36/48V MPPT Solar Charge Controller

Features:

Details:

LCD Display

Dual Cooling Fans

Large Cross-section

MPPT Charge Controller Interface Introduction:

100 Amp MPPT Charge Controller Wiring Diagram:

Applications:

Solar Roof

Solar Awning

Solar Power System

Solar RV

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