---
product_id: 18940475
title: "NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A)"
brand: "listen"
price: "$294"
currency: MXN
in_stock: false
url: https://www.desertcart.mx/products/18940475-new-24v-20a-30a-40a-mppt-solar-panel-charge-controller
store_origin: MX
region: Mexico
---

# RS232 control LCD display 40A capacity NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A)

**Brand:** listen
**Price:** $294
**Availability:** ❌ Out of Stock

## Summary

> Harness the Sun, Empower Your Life! ☀️

## Quick Answers

- **What is this?** NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A) by listen
- **How much does it cost?** $294 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/18940475-new-24v-20a-30a-40a-mppt-solar-panel-charge-controller)

## Best For

- listen enthusiasts

## Why This Product

- Trusted listen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Applications:** Perfect for outdoor monitoring, agriculture, and solar power systems.
- • **Seamless PC Integration:** Easily configure settings via RS232 port for smart control.
- • **Robust Protection Features:** Enjoy peace of mind with advanced over-current and low-voltage protections.
- • **Smart Monitoring Made Easy:** Stay informed with a large LCD display showing real-time data.
- • **Maximize Your Solar Potential:** Experience high-efficiency MPPT charging for optimal energy use.

## Overview

The NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger is designed for diverse applications, including outdoor monitoring, agriculture, and solar power systems. It features a large LCD display for real-time data, an RS232 port for PC control, and advanced MPPT charging technology, ensuring efficient battery management and robust protection against electrical faults.

## Description

Description   This kind of solar charge streetlight controller is special design for small off-grid solar charge generation system. Appearance is elegant, operations are easy. It also makes the course of which wind generator and solar panels charge to batteries safely and efficiently.  Features   High efficiency MPPT charging mode Intelligent limiting of batteries max current. Batteries maximum capacity could be set through this controller. According to the set maximum capacity, controller could calculate the maximum charging current. Then batteries will be protected. DC output has 6 output modes Over-charge , Over-discharge and Overload protections for battery Battery Maximum Charging Current Smart Limiting Solar charging manual switch. On the controller you can manually set whether using solar charge to battery. DC output manual switch. Users could manually set whether use DC output. LCD Display Multi-level Menu; Intelligent Button Settings RS232 interface. By serial interface communication, you could monitor the whole system, storageand analyze data. Program could be upgraded by serial interface. Connect PC and controller by serial interface. You could set the parameters on PC and controller simultaneously. Software is free, easy to operate and no need to be installed.  Function   This solar controller is not only have above mentioned special function, at the same time including completely Protecting and Controlling functions: Overcharge protection Over discharge protection Battery Reverse Current Protection Overloading Protection Short Circuit Protection Reverse Polarity Connection Protection

## Features

- This solar controller can be applied to the following occasions: 1). Outdoor environment monitoring system 2). Automatic control system for agriculture and garden 3). Solar power system 4). Communication station, WIFI hotspot 5). Street lighting system 6). other systems which are supplied by solar energy. For monitor the volt and electricity output volume statistics when charge or discharge is proceed.
- Large LCD display screen, clearly indicate the status, data.
- With RS232 port interface, easily setting & control on PC.
- High efficiency MPPT charging. Equipped with industrial-grade microprocessor to control the charge and discharge process. And, it has perfect highly effiecient and liable battery charge and discharge period management.
- Sophisticated electric protection production, including over-current protection, load short-circuit protection and low-voltage protection.

## Images

![NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A) - Image 1](https://m.media-amazon.com/images/I/71j0A-3eCYL.jpg)
![NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A) - Image 2](https://m.media-amazon.com/images/I/41kfpOBO5iL.jpg)
![NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A) - Image 3](https://m.media-amazon.com/images/I/41XfcTJ7rtL.jpg)
![NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A) - Image 4](https://m.media-amazon.com/images/I/41DucLXcK1L.jpg)
![NEW 24V 20A/30A/40A MPPT Solar Panel Charge Controller Regulator Charger, Safe With LCD Display & RS232 PC Smart Control , CE (Current 40A) - Image 5](https://m.media-amazon.com/images/I/71Ir6qYvaRL.jpg)

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**Shop now:** [https://www.desertcart.mx/products/18940475-new-24v-20a-30a-40a-mppt-solar-panel-charge-controller](https://www.desertcart.mx/products/18940475-new-24v-20a-30a-40a-mppt-solar-panel-charge-controller)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-22*