Morningstar EcoBoost MPPT 20A Solar Charge Controller
Morningstar EcoBoost MPPT 20A Solar Charge Controller
12V/24V Auto-Detect, Dual USB Ports & TrakStar MPPT Technology

DESCRIPTION
Optimise Off-Grid Power with the Morningstar EcoBoost 20A MPPT Controller
The Morningstar EcoBoost 20A MPPT Solar Charge Controller provides industry-leading efficiency and reliability for off-grid solar energy systems. Designed to automatically detect 12V or 24V battery configurations, this robust unit serves as the intelligent core of your photovoltaic setup. Whether you are outfitting a caravan, setting up a marine electrical system, or building a remote off-grid cabin, this controller ensures your batteries receive a precise and complete state of charge.
TrakStar MPPT Technology for Maximum Solar Yield
At the heart of the EcoBoost series is Morningstar's proprietary TrakStar Maximum Power Point Tracking (MPPT) technology. Unlike older solar controllers, TrakStar technology continuously monitors and adjusts to the solar array's exact maximum power point as weather conditions and sunlight intensity fluctuate throughout the day. This dynamic tracking maximises energy harvest, ensuring optimal power delivery to your battery bank even in low-light or partially shaded environments. The system provides excellent PV array flexibility, enabling the connection of two solar modules in series to efficiently charge your battery bank while keeping cable sizes manageable.
Intelligent Load Management and Device Charging
Beyond highly efficient solar charging, the EcoBoost 20A operates as a sophisticated load controller. By routing small DC loads directly through the unit, you gain critical protection against deep battery discharge, significantly extending the lifespan of your battery bank. Additionally, the unit features two integrated USB ports with a shared 3-amp capacity, providing a convenient way to charge mobile phones, tablets, and other electronics directly from your solar system without requiring an inverter.
Built for Harsh Environments and Long-Term Dependability
Off-grid and mobile solar installations often face extreme environmental challenges. The Morningstar EcoBoost controller is constructed with a conformally coated circuit board and corrosion-resistant wire terminals, delivering rugged, maintenance-free operation over an extended lifespan. Continuous self-diagnostics monitor the system for errors, reporting status via clearly visible LED indicators, ensuring you are always aware of your system's operational health. It also offers advanced lighting control capabilities, utilising the solar array to switch lighting loads on and off at dusk and dawn.
Key Features and Operational Benefits
- Advanced TrakStar MPPT technology maximises energy harvest in varying weather conditions
- Automatic detection of 12V or 24V system configurations for simplified setup
- High efficiency across low, medium, and high power levels
- Integrated load controller with programmable disconnect to protect deep-cycle batteries
- Two integrated USB ports (3A shared) for direct mobile device charging
- PV array flexibility supports connecting two modules in series
- Rugged construction featuring a conformally coated circuit board and corrosion-resistant terminals
- Dusk and dawn lighting controller functionality via PV array sensing
Enhance Your Solar Setup Today
Upgrade your renewable energy system with the proven reliability of Morningstar. Order the EcoBoost 20A MPPT Charge Controller today to experience superior battery charging, extended battery life, and true off-grid independence.
SPECIFICATIONS
Specifications
| MPPT Technology | TrakStar MPPT Technology |
|---|---|
| Nominal Battery Voltage | 12 or 24 V Automatic Sensing and Setting |
| Max Battery Current | 20 A |
| Load Current Rating | 20 A |
| Max PV Open Circuit Voltage (Voc) | 120 V |
| Nominal Max Operation Power, 12 Volt Battery | 300 W @ 40 °C |
| Nominal Max Operation Power, 24 Volt Battery | 600 W @ 40 °C |
| Peak Efficiency | 98% |
| Battery Voltage Range | 10 - 35 V |
| Self Consumption | <1.2 W |
| USB Charging Ports | Two USB Ports |
| Maximum Combined USB Charging Output | 3 A at 5 V |
| Operating Temperature Range | -40 °C to +60 °C |
| Humidity | 100% Non-Condensing |
| Tropicalization | Conformally Coated PCBs; Marine Rated Terminals |
| Dimensions | 19.6 (W) x 17.3 (L) x 7.1 (D) cm |
| Weight | 1.4 kg |
| Wire Size Range, Power Terminals | 2.5 - 16 mm² / #14 - 2 AWG |
| Enclosure | IP20, Type 1 |
| Battery Charging | 4-Stage Charging: Bulk, Absorption, Float, Equalize |
| Low Voltage Disconnect / Reconnect Settings | 11.4 V / 12.6 V or Custom (x2 for 24 Volt Systems) |
| Lighting Settings | Dusk-Dawn |
| Certifications | CE, TUV Listed: IEC 62109, EN 62109-1, Emissions 55014-1, Immunity 55014-2 |
| SKU: | SR-EB-MPPT-20 |
| Model #: | SR-EB-MPPT-20 |
| MPN: | SR-EB-MPPT-20 |














































