--- product_id: 18350525 title: "- Morningstar Sunguard 4.5A PWM Solar Charge Controller, Panel Regulator | Solid-state epoxy construction, outdoor waterproof wires, temp compensation, LED indicator, test button, low self-consumption" brand: "morningstar corporation" price: "$138.49" currency: USD in_stock: true category: "Morningstar Corporation" url: https://www.desertcart.ec/products/18350525-morningstar-sunguard-4-5a-pwm-solar-charge-controller-panel-regulator store_origin: EC region: Ecuador --- # 4.5A PWM charge power Waterproof outdoor wiring 100% solid-state epoxy durability - Morningstar Sunguard 4.5A PWM Solar Charge Controller, Panel Regulator | Solid-state epoxy construction, outdoor waterproof wires, temp compensation, LED indicator, test button, low self-consumption **Brand:** morningstar corporation **Price:** $138.49 **Availability:** ✅ In Stock ## Summary > ⚡ Power your day, rain or shine — the smart solar charge controller for pros who demand reliability. ## Quick Answers - **What is this?** - Morningstar Sunguard 4.5A PWM Solar Charge Controller, Panel Regulator | Solid-state epoxy construction, outdoor waterproof wires, temp compensation, LED indicator, test button, low self-consumption by morningstar corporation - **How much does it cost?** $138.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/18350525-morningstar-sunguard-4-5a-pwm-solar-charge-controller-panel-regulator) ## 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 - • **Trusted Solar Legacy:** From Morningstar, a US leader since ’93, with industry-low failure rates and 5-year warranty. - • **Plug & Play Confidence:** LED indicators and test button make installation foolproof—get it right the first time. - • **Smart Battery Guardian:** Temperature compensation + low self-consumption extend your battery’s lifespan and performance. - • **Effortless Solar Mastery:** 4.5A PWM tech ensures efficient, reliable charging for your compact solar setup. - • **Built to Brave the Elements:** Epoxy-encased solid-state design with waterproof wires means zero downtime, rain or shine. ## Overview The Morningstar Sunguard 4.5A PWM Solar Charge Controller is a compact, rugged device designed for smaller solar systems. Featuring 4.5 amps of PWM charging, solid-state epoxy encapsulation, waterproof outdoor wiring, temperature compensation, and low self-consumption, it optimizes battery life and system efficiency. Easy to install with LED indicators and a test button, it’s backed by Morningstar’s trusted 5-year warranty and decades of industry leadership. ## Description SunGuard-4 amp (12V) ## Features - 4.5A PWM CONTROLLER: Morningstar Sunguard Pulse Width Modulation (PWM) 4.5A solar charge controller delivers reliable charging for smaller solar systems. It regulates power from the solar array that it delivers to batteries. Benefit from its low self-consumption and high energy harvest. - RUGGED DESIGN: Made with 100% solid-state components and epoxy encapsulation for exceptional durability. It is rated for 25% over currents without the need for derating. The controller is easy to install, featuring outdoor-rated, waterproof connecting wires that ensure a secure connection to the solar module and battery. - EASY INSTALLATION: Easy to set-up, with a convenient test-button feature and LED indicator. The test button allows you to verify correct installation by turning the lights on during the day, while the LED indicates selected lighting option. Its rugged design is made to withstand harsh conditions including seaside environments. - LONGER BATTERY LIFE: This controller uses series design PWM charging instead of shunt, offering more efficient battery management. It includes temperature compensation for optimized charging and low self-consumption, which extends battery lifespan and enhances overall performance. - 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 | B00IYO7WR8 | | Best Sellers Rank | #171,553 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #169 in Renewable Energy Controllers | | Brand Name | Morningstar Corporation | | Color | WHITE/BLUE | | Customer Reviews | 4.0 4.0 out of 5 stars (150) | | Display Type | LED | | Included Components | CONTROLLER | | Item Dimensions L x W x H | 2.5"L x 2"W x 1.4"H | | Item Weight | 5 ounces | | Manufacturer | Morningstar Corporation | | Material Type | Epoxy | | Model | SG-4 | | Number of Items | 1 | | Part Number | SG-4 | | UPC | 782290181163 | | Unit Count | 1 Count | | Voltage | 12 volts | | Warranty Description | 5 years | ## Product Details - **Brand:** Morningstar Corporation - **Color:** WHITE/BLUE - **Material:** Epoxy - **Product Dimensions:** 2.5"L x 2"W x 1.4"H - **Voltage:** 12 volts ## Images ![- Morningstar Sunguard 4.5A PWM Solar Charge Controller, Panel Regulator | Solid-state epoxy construction, outdoor waterproof wires, temp compensation, LED indicator, test button, low self-consumption - Image 1](https://m.media-amazon.com/images/I/71Nddgx+sdL.jpg) ## Frequently Bought Together - Morningstar Sunguard 4.5A PWM Solar Charge Controller (SG-4) - Intelligent Solar Panel Regulator. Supports 12V Batteries, Outdoor Rated, Highly Reliable and Easy to Install - Designed in The USA - Renogy 50 Watt 12 Volt Monocrystalline Solar Panel (Compact Design) - Morningstar SunSaver 10A PWM Solar Charge Controller 12V Battery | Solar Controller | Solar Electric Fence Charger | Charge Controller | Solar Panel Controller | Lowest Fail Rate --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ec/products/18350525-morningstar-sunguard-4-5a-pwm-solar-charge-controller-panel-regulator](https://www.desertcart.ec/products/18350525-morningstar-sunguard-4-5a-pwm-solar-charge-controller-panel-regulator) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-08-14*