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

$391.92

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MPPT lithium charge controller with 120A rated charging current for sale, system voltage 12V/24V/36V/48V self-identification. This 120 amp solar charge controller adopts LCD display, clearly observe the operating status of the equipment and easy to modify parameters. The battery voltage of this MPPT solar regulator is 9-64V. MPPT solar charge controller price is affordable. The function is complete and diverse, and the multi-function button can adjust all the function settings.

Free shipping

Delivery date: 6-12 days

SKU: ATO-MPPT-120

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Overview
Specs
FAQ
Reviews

Overview

A 120A MPPT solar charge controller is a device used in solar power systems to optimize the charging of batteries from solar panels. "120A" indicates its maximum current capacity of 120 amps, meaning it can handle high currents, making it suitable for larger solar setups. This pv charge controller efficiently converts excess voltage into additional current, increasing overall energy production. By using a MPPT controller, solar systems can achieve better performance and longer battery life, ensuring more effective and reliable power generation.

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 120 amp MPPT solar charge 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 this pv 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 120a MPPT solar power controller'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

MPPT 120 Amp Charge Controller Wiring Diagram:

120 amp mppt solar charge controller wiring diagram

Applications:

Solar Roof

Solar Awning

Solar Power System

Solar RV

Specs

Model	ATO-CM-120
System voltage	12V/24V/36V/48V self-identification
Load loss	≤0.4W
Solar maxiumum input voltage	180V (25℃), 160V (-25℃)
Battery volatge	9-64V
Maxium power voltage range	storage battery voltage +2V~150V
Rated charging current	120A
Rated load current	40A
Maximum input power of solar panel	1440W/12V; 2880W/24V; 4320W/36V; 5760W/48V
Conversion efficiency	≤98%
MPPT tracking efficiency	＞99%
Temperature compensation	-2mv/℃/2V (default value)
Operating temperature	-10 ℃~65 ℃
Protection level	IP21
Altitude	≤3000 meters
Net weight	2900g
Product size	313225105mm

FAQ

Does MPPT charge controller need regular maintenance?

Yes, MPPT charge controllers require regular maintenance to ensure optimal performance and longevity. Over time, dust, dirt, and debris can accumulate on the unit and in the cooling vents, which can cause overheating and reduce efficiency. Regular cleaning of these areas helps maintain proper airflow and cooling. Additionally, the connections and terminals should be inspected periodically to ensure they are tight and free of corrosion, as loose or corroded connections can lead to power loss and potential damage to the system. Apart from physical inspections, it's also important to monitor the system's performance regularly. This involves checking the voltage and current readings to ensure the MPPT solar controller is functioning correctly and adjusting the charge settings as needed based on the battery type and environmental conditions.

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Existing reviews

Impressive performance

I recently bought two 120 amp MPPT solar charge controllers. They're doing very well. MPPT solar performance is impressive. I also like the display, it's easy to use, and I can see the data directly. I will recommend this MPPT solar charge controller to my friends!

From: Craig Howard | Date: 10/15/2024 1:25 AM

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