Morningstar EcoBoost MPPT 40amp Solar Charge Controller
Morningstar EcoBoost MPPT 40amp Solar Charge Controller
12V/24V Auto-Detect, TrakStar MPPT & Dual USB Ports

DESCRIPTION
Advanced Solar Energy Management for Mobile and Off-Grid Systems
The Morningstar EcoBoost 40A MPPT Solar Charge Controller serves as the central intelligent hub for photovoltaic DC electrical systems up to 1120W. Engineered to deliver exceptional value and dependable performance, this advanced unit automatically detects 12V or 24V system configurations, making it highly adaptable for a wide range of battery charging applications. By ensuring batteries reach a complete state of charge, the controller significantly extends battery life and maintains long-term system health.
Maximise Energy Harvest with TrakStar Technology
At the core of this charge controller is Morningstar's proprietary TrakStar Maximum Power Point Tracking (MPPT) technology. Standard solar controllers often lose efficiency during variable weather conditions, but TrakStar technology rapidly determines and adjusts to the true maximum power point as solar insolation changes throughout the day. This results in highly efficient power conversion at low, medium, and high power levels, ensuring that your system extracts every available watt of solar energy from the PV array. This efficiency translates to faster charging times and more reliable power availability for your critical loads.
Sophisticated Load and Lighting Control
Beyond highly efficient battery charging, the EcoBoost operates as a sophisticated DC load controller. Effectively managing your DC power consumption is crucial in off-grid environments. The controller features a programmable load disconnect function that actively protects your battery bank from damaging over-discharge events. This active management is essential for preserving the longevity of expensive battery setups. Furthermore, an integrated lighting controller utilises the solar array itself as a sensor to automatically switch loads at dusk and dawn, offering an elegant solution for automated perimeter or security lighting.
Built for Extreme Reliability and Convenience
Morningstar has engineered this unit with a rugged, maintenance-free design tailored for demanding environments. The conformally coated circuit board and corrosion-resistant terminals provide robust protection against moisture and environmental degradation, making it suitable for marine applications, remote cabins, and mobile setups like caravans and RVs. Continuous self-diagnostics monitor system health and report any operational errors through clear, easy-to-read status LEDs, mitigating the risk of undetected system failures.
For added modern convenience, the front panel features two integrated USB ports with a shared charging capacity of 3 amps. This allows users to power small DC loads or charge smartphones, tablets, and other mobile devices directly from the solar controller without requiring a separate inverter.
Key Features
- Advanced MPPT algorithm with proprietary TrakStar technology for peak solar energy harvesting
- Automatic detection and configuration for 12V and 24V battery systems
- Programmable low-voltage disconnect to protect batteries from deep discharge cycles
- Rugged construction featuring a conformally coated circuit board and corrosion-resistant terminals
- Integrated dual USB ports delivering up to 3 amps of shared charging power
- Built-in lighting control that uses the PV array for automated dusk-to-dawn switching
- Continuous self-diagnostics with status LED indicators for immediate system feedback
- Supports PV array flexibility, allowing multiple modules in series to efficiently charge a 12V or 24V system
Reliable Off-Grid Power Solutions
Whether you are designing a reliable power system for a remote telecommunications site, outfitting an off-grid cabin, or upgrading the energy system in a recreational vehicle, this MPPT controller offers the precise regulation and protective features required for sustained off-grid living. The capability to wire solar modules in series while efficiently stepping down the voltage to match your 12V or 24V battery bank reduces cable size requirements and minimises voltage drop over long wire runs.
Optimise Your Solar Array Today
Enhance the efficiency and longevity of your off-grid energy system with Morningstar's proven MPPT technology. Integrate the EcoBoost 40A controller into your setup for reliable, intelligent battery management and consistent daily performance.
SPECIFICATIONS
Specifications
| MPPT Technology | TrakStar MPPT Technology |
|---|---|
| Max Battery Current | 40 A |
| Load Current Rating | 30 A |
| Max PV Open Circuit Voltage (Voc) | 120 V |
| Nominal Battery Voltage | 12 or 24 V Automatic Sensing and Setting |
| Nominal Max Operation Power (12 V Battery) | 560 W @ 40 °C |
| Nominal Max Operation Power (24 V Battery) | 1120 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 |
| Battery Charging | 4-stage Charging: Bulk, Absorption, Float, Equalize |
| Battery Settings | 7 Standard Battery Settings and Customization |
| Low Voltage Disconnect / Reconnect Settings | 11.4 V / 12.6 V or Custom (x2 for 24 V Systems) |
| Lighting Settings | Dusk-Dawn |
| Operating Temperature Range | -40 °C to +60 °C |
| Humidity | 100% Non-condensing |
| Tropicalization | Conformally Coated PCBs; Marine Rated Terminals |
| Dimensions (cm) | 19.6 (W) x 17.3 (L) x 7.1 (D) |
| Weight | 1.4 kg |
| Wire Size Range Power Terminals | 2.5 - 16 mm² / #14 - 2 AWG |
| Enclosure | IP20, Type 1 |
| SKU: | SR-EB-MPPT-40 |
| Model #: | SR-EB-MPPT-40 |
| MPN: | SR-EB-MPPT-40 |














































