SureSine
The SureSine™ off-grid inverter line delivers dependable pure sine wave AC power for the world’s most demanding off-grid applications. Available in six power classes, SureSine combines industrial-grade construction with exceptional power quality to support reliable, long-term operation in harsh environments. Select models feature premium toroidal transformers for enhanced sine wave stability and performance.
Six power classes from 150W to 2,500W with 120V or 230V AC output and 12V, 24V, or 48V DC input options to support a wide range of off-grid applications.
Simple setup and monitoring with Bluetooth® connectivity and wireless Android™ and iOS® mobile apps.
Flexible system integration with RS-485, USB, Ethernet, MS-CAN, Bluetooth®, and industry-standard Modbus communications.
Industrial-grade construction featuring premium toroidal transformers on select models for exceptional power quality, sine wave stability, and dependable operation in mission-critical environments.
Outstanding thermal performance with a fanless design that delivers reliable operation in high-temperature environments while reducing maintenance and increasing long-term reliability.
Flexible remote control options with AC hardwired remote terminals available on select models.
Certified for confidence with industry-recognized NRTL safety, performance, and low-noise certifications to support reliable, standards-compliant installations.
Flexible AC output options with hardwire terminals available across the lineup, plus regional receptacle options on select 150W, 300W, and 700W models for simplified installation.
Note: Wireless Android and iOS mobile apps included for set-up and monitoring with remote devices.
Resources
Specifications & Certifications
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| *power derating at high ambient temperatures 40 C and above. | |||||||
| Rated Battery Voltage | 12, 24 or 48V | 12, 24 or 48V | 12, 24 or 48V | 24 or 48V | 24 or 48V | 48V | |
| Min. Battery Operating Voltage | 10.5/21.0/42.0V | 10.5/21.0/42.0V | 10.5/21.0/42.0V | 21.0/42.0V | 21.0/42.0V | 42.0V | |
| Max. Operating Battery Voltage | 16.5/33.0/66.0V | 16.5/33.0/66.0V | 16.5/33.0/66.0V | 33.0/66.0V | 33.0/66.0V | 66.0V | |
| Continuous Power@25C | 150W | 300W | 700W | 1,000W | 1,250W | 2,500W | |
| Power Surge @40C (<5 sec) | 300W | 600W | 1,400W | 2,000W | 2,500W | 5,000W | |
| 1 minute Surge Power | 225W | 450W | 1,050W | 1,500W | 1,875W | 3,750W | |
| 3 minute Surge Power | 180W | 360W | 840W | 1,200W | 1,500W | 3,000W | |
| Operating Temperature Range | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C | -40 C to +60C | |
| Peak Efficiency | 89/89/90% | 91/91/92% | 91/90/92% | 93/93% | 93/94% | 95% | |
| Output Voltage Model Options | 120/230V +/-5% | 120/230V +/-5% | 120/230V +/-5% | 120/230V +/-5% | 120/230V +/-5% | 120/230V +/-5% | |
| Output Frequency Options | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | |
| Waveform | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave | |
| Total Harmonic Distortion (THD) | <2% | <2% | <2% | <2% | <2% | <2% | |
| Self-Consumption (AC Output Off) | <2.3W | <2.3W | <2.3W | <2.3W | <2.3W | <2.3W | |
| Fanless natural convection cooling | Yes | Yes | Yes | Yes | Yes | Yes | |
| Operational Humidity Level | 100% | 100% | 100% | 100% | 100% | 100% | |
| RS485, MS-CAN | Yes | Yes | Yes | Yes | Yes | Yes | |
| USB, Ethernet | No | No | Yes | Yes | Yes | Yes | |
| Bluetooth, Android & iOS Apps | Yes | Yes | Yes | Yes | Yes | Yes | |
| IEC-62109-1, IEC 62109-2, IEC 62368-1 | Yes | Yes | Yes | Yes | Yes | Yes | |
| IEC/EN 61000, IEC/EN 55032, IEC/EN 55011 | Yes | Yes | Yes | Yes | Yes | Yes | |
| UL 1741 | Yes | Yes | Yes | Yes | Yes | Yes | |
| UL 458 (pending) | Yes | Yes | Yes | Yes | Yes | Yes | |
| CE/UKCA compliant | Yes | Yes | Yes | Yes | Yes | Yes | |
| Data Storage (4MB/5 years internal) | Yes | Yes | Yes | Yes | Yes | Yes | |
| IP Rating | IP20 | IP20 | IP20 | IP20 | IP20 | IP20 | |
| Manufactured in a Certified ISO 9001 Facility | Yes | Yes | Yes | Yes | Yes | Yes | |
| Warranty | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years | 5 Years | |
Inverter Functions: DC/AC conversion with pure sinewave
output
- 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.














