2500W Pure Sine Wave Inverter

The SureSine Off Grid 2,500 Watt Pure Sine Wave Inverter is a top-of-the-line product from Morningstar Corp, the leading supplier of solar controllers and inverters. This SureSine is designed to function in extreme environments and mission-critical applications, making it a reliable choice for off-grid living, rural electrification, and other challenging industrial/commercial off-grid systems.

This inverter converts DC power from your solar modules into AC power. The pure sine wave output ensures that your devices receive clean, stable power, which is especially important for sensitive electronics like computers, television monitors, process control, and telecom equipment.

With over 4 million products sold in over 100 countries, Morningstar Corp is a trusted name in the solar and power electronics industry. Its products are known for their quality and reliability, and the SureSine Off Grid Pure Sine Wave Inverter is no exception.

If you are looking for 2,500 Watts of off-grid AC power, the SureSine Off Grid Pure Sine Wave Inverter provides the reliable, high-quality power you need.

The new SureSine 2,500 off-grid inverters greatly expand our inverter offering that started with the acclaimed SureSine Classic.  The new SureSine line has:

  • Wireless Android and iOS utility apps for set-up and monitoring with remote devices, plus Bluetooth communications
  • Multiple AC hardwire remote terminal options on selected models
  • Industry leading safety, low-noise and high performance NRTL certifications for reliability and system conformance

SureSine line uses industrial-grade build quality throughout, with models built around premium toroidal transformers for improved sinewave stability. Designed for the most demanding off-grid mission-critical installations, these off-grid inverters offer:

  • Superior thermal performance with fanless design for higher reliability
  • Full communications capabilities include: RS485, USB, Ethernet, MS-CAN, Bluetooth while using industry-standard MODBUS protocol.

AC outputs include hard-wire terminals for all markets and power levels.

Wireless Android and iOS mobile apps included for set-up and monitoring with remote devices.


Specifications and Certifications by Model

Power Output Models


*power derating at high ambient temperatures 40 C and above.
Rated Battery Voltage 48V
Min. Battery Operating Voltage 42.0V
Max. Operating Battery Voltage 66.0V
Continuous Power@25C 2,500W
Power Surge @40C (<5 sec) 5,000W
1 minute Surge Power 3,750W
3 minute Surge Power 3,000W
Operating Temperature Range -40 C to +60C
Peak Efficiency 95%
Output Voltage Model Options 120/230V +/-5%
Output Frequency Options 50/60 Hz
Waveform Pure Sine Wave
Total Harmonic Distortion (THD) <2%
Self-Consumption (AC Output Off) <2.3W
Fanless natural convection cooling Yes
Operational Humidity Level 100%
RS485, MS-CAN Yes
USB, Ethernet No
Bluetooth, Android & iOS Apps Yes
IEC-62109-1, IEC 62109-2, IEC 62368-1 Yes
IEC/EN 61000, IEC/EN 55032, IEC/EN 55011 Yes
UL 1741 Yes
UL 458 (pending) Yes
CE/UKCA compliant Yes
Data Storage (4MB/5 years internal) Yes
IP Rating IP20
Manufactured in a Certified ISO 9001 Facility Yes
Warranty 5 Years
Key Features and Benefits

Inverter Functions: DC/AC conversion with pure sinewave

  • Superior industrial-grade product design and manufacturing
  • Engineered for system-level integration and communication with Morningstar charge controllers
  • Communication ports: RS485 USB, Ethernet, MS-CAN, Bluetooth while using industry-standard MODBUS protocol
  • Wireless Android and iOS utility apps included for set-up and monitoring with remote devices
  • AC hardwire terminal option available on selected models (all power ranges and frequencies)
  • Remote On/Off improves safety and enables control in inaccessible locations
  • Auxiliary Power Output (700-2500 W models) provides power for an EIA-485 bus or other small DC loads
  • Overbuilt, industrial-grade low-frequency transformer for improved sinewave stability
  • Fanless convection cooling with extruded aluminum heat sinking, for maximum efficiency and reliability
  • Status LEDs for both System and AC Sinewave output, to ensure reliable operation and notify of any system alerts
  • Industry leading safety, low-noise and high performance NRTL certifications for reliability and system conformance
  • Configuration can be achieved via manual DIP switch configuration or digitally programmable custom setpoints

Introducing Morningstar's New SureSine Off-Grid Inverter Line |

Ten minute video showcasing six new off-grid inverter models from 150-2,500W with 120 or 230V output and 12, 24 or 48V DC input options to cover a wide range of applications.

SureSine Mobile Utility Bluetooth App Video |

Brief video to show users how to use the Android SureSine Bluetooth app to view real time and historical data, send control commands, adjust settings, and update firmware.