---
product_id: 292085921
title: "25A SPARK MPPT solar charge controller 12V Dual Duo"
brand: "gsl spark"
price: "$6381"
currency: MXN
in_stock: true
reviews_count: 6
url: https://www.desertcart.mx/products/292085921-25a-spark-mppt-solar-charge-controller-12v-dual-duo
store_origin: MX
region: Mexico
---

# 350W max solar input power 25A max main battery charge Dual battery ports for versatile charging 25A SPARK MPPT solar charge controller 12V Dual Duo

**Brand:** gsl spark
**Price:** $6381
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your freedom with smart dual-battery control!

## Quick Answers

- **What is this?** 25A SPARK MPPT solar charge controller 12V Dual Duo by gsl spark
- **How much does it cost?** $6381 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/292085921-25a-spark-mppt-solar-charge-controller-12v-dual-duo)

## Best For

- gsl spark enthusiasts

## Why This Product

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

## Key Features

- • **Dual Battery Mastery:** Charge your main and starter batteries simultaneously without compromise.
- • **Power-Packed Solar Input:** Handles up to 350W solar input to maximize your renewable energy harvest.
- • **Precision Charging Control:** Delivers up to 25A to main battery and 1A to starter battery for optimized performance.
- • **Robust Aluminum Alloy Shell:** Durable, lightweight design built to withstand the elements and last.
- • **Universal Battery Compatibility:** Seamlessly supports Lead Acid, AGM, GEL, and LiFePO4 batteries for ultimate flexibility.

## Overview

The 25A SPARK MPPT solar charge controller 12V Dual Duo is a compact, durable device designed to efficiently manage solar energy input up to 350W. It features dual charging ports for main and starter batteries, supports four major battery types, and delivers precise charging currents (25A main, 1A starter) housed in a sleek aluminum alloy shell.

## Description

Full description not available

## Features

- Two Battery Charging Ports, One for main battery 2nd for starter battery
- Suitable for lead acid, AGM, GEL, LiFePO4 4 types of batteries
- All aluminum alloy shell
- Maximum solar input power :350W
- Maximum starter battery charge: 1A Max main battery charge 25A

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SPARK |
| Product Dimensions | 14.7 x 8 x 4 cm; 500 g |
| Batteries required | No |
| Included components | Controller user manual |

## Product Details

- **Brand:** GSL SPARK
- **Voltage:** 12 Volts (DC)
- **Material:** Aluminium
- **Item weight:** 0.5 Kilograms
- **Display type:** LED

## Images

![25A SPARK MPPT solar charge controller 12V Dual Duo - Image 1](https://m.media-amazon.com/images/I/61bWPbKzXXL.jpg)
![25A SPARK MPPT solar charge controller 12V Dual Duo - Image 2](https://m.media-amazon.com/images/I/71vG-x7+miL.jpg)
![25A SPARK MPPT solar charge controller 12V Dual Duo - Image 3](https://m.media-amazon.com/images/I/713+Bv+hy0L.jpg)
![25A SPARK MPPT solar charge controller 12V Dual Duo - Image 4](https://m.media-amazon.com/images/I/71cMzP47eGL.jpg)

## Available Options

This product comes in different **Style Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works with Truma SDC12 duo MPPT
*by N***N on 30 November 2024*

Works fine and tells us when we are charging - helped us realise that we need hookup in the winter, the panels aren't generating enough to keep battery topped up.

### ⭐⭐⭐⭐⭐ Quick delivery, easy to use
*by S***Y on 22 June 2025*

Why did you choose this product over others?:Correct one for what I neededBluetooth connectivity:YesEase of setup:Easy to install

### ⭐⭐⭐ Works
*by S***H on 26 October 2024*

Working well

## Frequently Bought Together

- 25A SPARK MPPT solar charge controller 12V Dual Duo
- Red & Black Battery/Starter/Welding Flexible PVC Cable Wire 110/170/345 Amp 16mm 25mm 35mm by MKGT® (25mm² Red, 2 Meters)
- Victron Energy SmartShunt Battery Monitor (Bluetooth) - Victron Smart Shunt - 6.5V-70V - 500 amp

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**Shop now:** [https://www.desertcart.mx/products/292085921-25a-spark-mppt-solar-charge-controller-12v-dual-duo](https://www.desertcart.mx/products/292085921-25a-spark-mppt-solar-charge-controller-12v-dual-duo)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-20*