Morningstar EcoPulse PWM 20amp w/ Meter
Morningstar EcoPulse PWM 20amp w/ Meter
12V/24V Off-Grid Regulator with LCD Interface & Lighting Control

DESCRIPTION
Morningstar EcoPulse 20A PWM Solar Controller with Digital Meter
Essential Off-Grid Battery Management for Residential and Leisure Applications
The Morningstar EcoPulse is a highly efficient pulse width modulation solar charge controller designed to provide essential battery regulation for off-grid systems. Engineered for both residential and leisure consumer applications, this 20-amp regulator seamlessly supports both 12V and 24V battery banks. Whether you are powering a remote shed, a weekend camper trailer, or a reliable backup system, the EcoPulse delivers consistent performance while maintaining optimal battery health.
Built for High Reliability and Demanding Environments
A major advantage of this controller over generic alternatives is its rugged, industrial-grade construction. The internal circuit board is conformally coated, and the connection terminals are highly corrosion resistant. This level of protection significantly reduces the risk of moisture or dust damage, making it an excellent choice for coastal areas, humid environments, or demanding mobile setups.
Furthermore, the unit features a robust thermal design. An integrated extruded aluminium heatsink dissipates heat quickly and efficiently without relying on mechanical cooling fans. By eliminating moving parts, this fanless design operates silently and prevents the typical failures associated with fan-cooled electronics, extending the operational lifespan of the unit. All of these high-quality components are housed within a durable, high-strength polycarbonate casing.
Intuitive Metering and Configuration
This specific model includes a built-in digital display, providing a multi-lingual interface for complete system oversight. The integrated meter allows users to view real-time metrics and adjust vital system settings directly from the front panel using the straightforward navigation buttons. System configuration is simple, offering seven preset charge profiles alongside a custom setting option. These profiles can be easily selected via the physical DIP switches or the digital interface, allowing you to tailor the charging parameters to match your specific battery chemistry and requirements.
Advanced Load and Lighting Control
Beyond standard battery charging, this controller offers versatile load management. The load control settings can be adjusted directly via the meter display, giving you precise command over connected DC appliances. Additionally, it features an automatic solar-based lighting control system. With field-adjustable dusk to dawn settings, you can effortlessly automate exterior lighting, security lights, or pathway illumination without needing an external timer or photo-sensor.
To further protect your electrical system, the controller features comprehensive LED fault indications. These clear alerts immediately notify you if an error condition occurs, such as a short circuit, an over-current event, or high voltage, ensuring your off-grid system remains safe and operational at all times.
Key Features
- Supports 12V and 24V battery systems with a robust 20-amp charge rating
- Integrated digital meter for real-time monitoring and menu navigation
- Extruded aluminium heatsink ensures reliable, fanless thermal management
- Conformally coated circuit board and corrosion-resistant terminals protect against harsh environments
- Automatic solar-based lighting control with adjustable dusk-to-dawn settings
- Clear LED fault indications for short circuit, over-current, and high voltage alerts
- High-strength polycarbonate enclosure ensures long-lasting physical durability
Optimise Your Remote Power System
Investing in precision-engineered solar hardware protects your batteries and ensures your remote power system functions exactly when you need it. Secure your off-grid energy management and add this 20-amp PWM regulator to your 12V or 24V solar setup today for dependable, year-round performance.
SKU: SR-EC20M
SPECIFICATIONS
Specifications
| Nominal Battery Voltage | 12 or 24 Volts |
|---|---|
| Battery Voltage Range | 10 - 35 Volts |
| Max. Battery Current | 20A |
| Max. PV Open-Circuit Voltage | 60 Volts |
| Load Current Rating | 20A |
| Self Consumption | <20mA |
| 4-Stage Charging | Bulk, Absorption, Float, Equalize |
| Temperature Compensation Coefficient | -30mV / °C / 12 Volt |
| Operating Temperature | -40°C to +45°C |
| Humidity | 100% non-condensing |
| Maximum Operating Altitude | 2000 meters |
| Enclosure | IP20, Type 1 |
| Dimensions (W x L x D) | 153 x 105 x 55 mm (6.01 x 4.14 x 2.17 in) |
| Weight | 0.40 kg (0.90 lb) |
| SKU: | SR-EC20M |
| Model #: | SR-EC20M |
| MPN: | SR-EC20M |














































