Product Description
20A MPPT Solar Panel Charge Controller
The Rich Solar 20 Amp MPPT Solar Charge Controller is engineered to maximize energy harvest from solar panels charging 12V & 24V off-grid systems. Featuring intelligent MPPT technology, it dynamically tracks the highest power point to deliver significantly more charging current than conventional PWM controllers, helping you make the most of your solar investment in homes, RVs, boats, and remote setups. With an easy-to-read LCD screen and robust protection features, this controller simplifies monitoring while safeguarding your batteries and connected loads for reliable, long-lasting performance.
Features & Benefits
- Advanced MPPT – Optimizes power from solar panels, resulting in faster charging and higher system efficiency.
- Battery Compatibility – Charges Sealed, Gel, Flooded, and Lithium batteries with chemistry specific profiles.
- Built-In Protection – Electronic safeguards against reverse polarity, overcharging, short circuits, and more.
- Heat Dissipation – The die-cast aluminum enclosure efficiently manages heat for extended controller life.
- Automatic Voltage Recognition – Auto detects 12V or 24V system voltages for simplified setup.
- LCD Display – Displays real-time operating data, customizable settings, and fault codes.
- Status LED's – Status indicators for at-a-glance system health checks.
- Lithium Recovery – Capable of charging over-discharged lithium batteries.
- RS232 Port – Connection for BT-1 Bluetooth Module to enable wireless monitoring.
Why Choose Rich Solar Charge Controllers?
Rich Solar remains at the forefront of off-grid solar innovation, delivering dependable products that empower users to harness renewable energy with confidence. Their MPPT charge controllers reflect this dedication through sophisticated tracking algorithms that adapt to changing sunlight and temperature conditions, a sturdy construction designed for years of service in harsh environments, and convenient connectivity options for convenient monitoring. Rich Solar MPPT charge controllers not only extract more usable power from your solar array, but also provide multiple layers of protection to extend battery life and prevent costly downtime. Whether powering a remote cabin, outfitting an RV for adventure, or building a resilient home backup system, Rich Solar equips you with the performance and reliability needed to achieve energy independence and maximize the return on your solar investment.
| Controller Type | MPPT |
| Nominal System Voltages |
12V / 24V |
| Charging Current (max) |
20 Amps |
| Solar Input Power (max) |
12V = 260W 24V = 520W |
| Width | 5.94" (151 mm) |
| Height | 8.27" (210 mm) |
| Depth | 2.34" (60 mm) |
| Weight | 3.08 lbs (1.4 kg) |
| Protection Rating | IP32 |
| Warranty | 1 Year |
Rich Solar RS-MPPT20 Datasheet
Rich Solar RS-MPPT20 User Manual
Warranty Information
1 Year Warranty | support@richsolar.com | 1-800-831-9889Product Videos
Videos Hide Videos Show Videos
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How to Change the User Settings on the MPPT Solar Charge Controllers | Rich Solar Talk
In this episode of Rich Solar Talk, we teach you how to change...
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How to Use Parallel Charge Controllers With Your Array: Step-By-Step Guide | RICH SOLAR TALK
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The How and Why: Wiring Solar Panels in Series, Parallel, and Series-Parallel | RICH SOLAR TALK
This RICH SOLAR talk episode breaks down the 3 main ways to co...