---
product_id: 15223871
title: "Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries"
brand: "morningstar corporation"
price: "$229.83"
currency: USD
in_stock: true
category: "Morningstar Corporation"
url: https://www.desertcart.us/products/15223871-morningstar-sunsaver-duo-25a-pwm-solar-charge-controller-for-12v
store_origin: US
region: United States of America
---

# 25A PWM dual battery charge 4-stage battery life extender Built-in surge & short-circuit protection Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries

**Brand:** morningstar corporation
**Price:** $229.83
**Availability:** ✅ In Stock

## Summary

> 🔆 Power your off-grid lifestyle with confidence and control!

## Quick Answers

- **What is this?** Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries by morningstar corporation
- **How much does it cost?** $229.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/15223871-morningstar-sunsaver-duo-25a-pwm-solar-charge-controller-for-12v)

## Best For

- morningstar corporation enthusiasts

## Why This Product

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

## Key Features

- • **Dual Battery Mastery:** Simultaneously charges two 12V batteries with precision PWM technology for optimized off-grid power management.
- • **Rock-Solid Protection:** Integrated safeguards against surges, overloads, reverse polarity, and high temps keep your system safe and reliable.
- • **Plug & Play Simplicity:** Factory presets plus DIP switch and free MSView software allow effortless customization and installation.
- • **Maximized Battery Longevity:** Advanced 4-stage charging and temperature compensation extend battery lifespan, reducing costly replacements.
- • **Trusted American Innovation:** Designed in the USA by Morningstar, a global leader with a 5-year warranty and industry-low failure rates.

## Overview

The Morningstar SunSaver Duo 25A PWM Solar Charge Controller expertly manages dual 12V battery charging with efficient PWM technology, extending battery life through advanced 4-stage charging and temperature compensation. Designed for RVs, boats, and off-grid systems, it features easy installation, robust electronic protections, and is backed by a 5-year warranty from a trusted US-based solar technology leader.

## Description

Buy Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries | Dual battery charging for RV/boat/cabin off-grid, DIP switch settings, MSView software, lower cost, 5 year warranty: Energy Controllers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 25A PWM CONTROLLER: Morningstar SunSaver Duo Pulse Width Modulation (PWM) 25A solar charge controller delivers reliable dual battery charging for RV caravans, boats, cabins and other off-grid systems. It regulates the power of from the solar array to the battery bank. Benefit from low self-consumption and consistent energy harvesting efficiency.
- LONGER BATTERY LIFE: This controller extends battery life with series PWM four-stage charging and temperature compensation. It supports DIP switch selectable options for sealed or flooded batteries as well as free MSView software for more refined battery setting adjustments
- EASY INSTALLATION: Enjoy hassle-free setup with factory pre-sets or adjust accordingly with DIP switches or free MSView software. Electronic protections safeguard against wiring mistakes, ensuring safe and straightforward installation. Each SunSaver comes with a wire terminal cover for added convenience.
- ELECTRONIC PROTECTIONS: These controllers feature built-in electronic protection against surges, short-circuits, overloads, and reverse polarity. They include high voltage and high temperature disconnect to safeguard against damage to electrical components. Advanced self-diagnostics alert users to installation or operational errors, while automatic recovery occurs when short circuits are cleared.
- TRUSTED RELIABILITY: Morningstar Corporation is a US company established in 1993 and is a global leader in manufacturing PWM and MPPT solar charge controllers, inverters, and accessories. Renowned for the industry's lowest hardware failure rate, Morningstar provides dependable, innovative technology for advanced solar applications. Morningstar products include U.S. based Tech Support and are the top choice for mission-critical users.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007NNMEU6 |
| Best Sellers Rank | #188,430 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #192 in Renewable Energy Controllers |
| Brand | Morningstar Corporation |
| Brand Name | Morningstar Corporation |
| Color | white/black |
| Customer Reviews | 4.3 out of 5 stars 26 Reviews |
| Display Type | LED |
| Included Components | CONTROLLER |
| Item Dimensions L x W x H | 7.6"L x 2.5"W x 2"H |
| Item Highlight | Dual battery charging for RV/boat/cabin off-grid, DIP switch settings, MSView software, lower cost, 5 year warranty |
| Item Weight | 12 ounces |
| Manufacturer | Morningstar Corporation |
| Model | DUO SSD-25 |
| Number of Items | 1 |
| Operating Temperature | 60 °C |
| Part Number | SSD-25 |
| Product Dimensions | 7.6"L x 2.5"W x 2"H |
| UPC | 733556559875 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | 5 years |

## Product Details

- **Color:** white/black
- **Brand:** Morningstar Corporation
- **Voltage:** 12 Volts
- **Material:** Metal, Polycarbonate (PC)
- **Item Weight:** 0.75 Pounds

## Images

![Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries - Image 1](https://m.media-amazon.com/images/I/81NoqLSqUSL.jpg)
![Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries - Image 2](https://m.media-amazon.com/images/I/71CdlwU54aL.jpg)
![Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries - Image 3](https://m.media-amazon.com/images/I/715-vWpoZtL.jpg)
![Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries - Image 4](https://m.media-amazon.com/images/I/71eYDIiNhZL.jpg)
![Morningstar SunSaver Duo 25A PWM Solar Charge Controller, for 12V Batteries - Image 5](https://m.media-amazon.com/images/I/41lXFkXNiSL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: I'd like to see a PICTURE! The picture is of a cable that appears completely unrelated to this item!**
A: There is a cable that is included in this item.  It is a telephone type about 30" long to run from the display to the controller.

**Q: What kind of charge controller is this mppt or pwm?**
A: Thank you for your question. This is a PWM charge controller.

**Q: Is the remote display available alone?. My one doesn’t work anymore?.**
A: Yes, the Morningstar RM-1 Remote Meter is available separately using the link below. If you have any additional questions, please don't hesitate to contact us.

https://www.amazon.com/Morning-Star-RM-1-Morningstar-Remote/dp/B00A6XL9QA/ref=sr_1_3?dchild=1&keywords=RM-1&m=A23ANDP8TQ5WFL&qid=1600117848&s=merchant-items&sr=1-3

**Q: I have two 180 watt solar panels for my van. each has short circuit current rating of 10.5a. since this controller is rated for 25a i should be ok?**
A: Yes, as long as you are wiring those two panels in parallel this controller will work well for you array.

## Frequently Bought Together

- Morningstar SunSaver Duo 25A PWM Solar Charge Controller (SSD-25) - Solar Panel Regulator for Two 12V Batteries, Adjustable Charge Settings, Great for RVs/Boats, 5 Year WTY - Designed in The USA
- Morningstar SunSaver 15A MPPT Solar Charge Controller SS-MPPT-15L - Solar Panel Regulator, Supports 12/24V LA/Li Batteries. Load/Lighting Ctrl, HazLoc Rated, Low Noise, 5 Yr. WTY - Designed in the USA
- Morningstar Remote Temperature Sensor (RTS) - Connects Battery to Charge Controller to Provide Accurate Battery Temperature Info When Battery & Controller Temperatures are Likely to Differ by >5C

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-08*