Midnite Solar Rosie 48V Pre-Wired Solar Kit | 7000W Output | 15,000W Surge | All-In-One Off-Grid Inverter System | American Made

Midnite Solar Rosie 48V Pre-Wired Solar Kit | 7000W Output | 15,000W Surge | All-In-One Off-Grid Inverter System | American Made

The Midnite Solar Rosie 48V pre-wired solar kit is a reliable, American-made off-grid solar inverter system. With steady, continuous output and surge capacity, this pre-wired solar kit handles high-demand appliances while maintaining zero transfer time during power transitions.

• Pre-Wired Modular Design
• Zero Transfer Time
• 7-Year Warranty

About the Product

The Midnite Solar Rosie 48V pre-wired solar kit eliminates installation complexity with modular components. Designed by engineers with over 100 years of combined renewable energy experience, this all-in-one inverter/charger delivers 7000VA continuous power at 25°C with 15,000VA surge capability for starting motors and heavy loads.

The integrated Midnite Wizbang Jr. with MNGP2 display provides real-time state-of-charge monitoring through an easy-turn dial interface. Also, with dual auxiliary terminals, you get 15 programmable options per terminal for custom automation.

This lithium battery compatible system features 120/240VAC true sine wave output with less than 5% total harmonic distortion, protecting sensitive electronics. The 60A transfer relay per leg enables seamless operation, while auto-generator start functionality provides backup flexibility for two-wire generators.

Specifications

What our Experts Think

• Complete pre-wired off-grid system: Factory-assembled with the MidNite Solar Rosie inverter and essential components, reducing installation time and simplifying system setup.
• Powerful everyday performance: Delivers 7,000W continuous output with an impressive 15,000W surge capacity, easily handling heavy startup loads from pumps, compressors, and large appliances.
• Clean, reliable power: The true sine wave inverter provides utility-quality 120/240V split-phase power that's safe for sensitive electronics and household equipment.
• Optimized for 48V battery banks: Designed to pair seamlessly with modern 48V lithium battery systems, offering efficient energy conversion and dependable off-grid performance.
• Built for serious off-grid living: Supports generator integration, advanced monitoring, and expansion options, making it ideal for homes, cabins, workshops, and remote properties.
• Made in the USA: Engineered and manufactured by MidNite Solar for professional-grade reliability, long-term durability, and trusted performance in demanding off-grid applications.

Q&A

Q: What is included in the MidNite Solar Rosie 48V Pre-Wired Solar Kit?
A: The kit includes a pre-wired MidNite Solar Rosie 48V inverter system with the essential power electronics and wiring needed for faster installation in off-grid or backup solar applications.

Q: What is the Rosie's power output?
A: The Rosie delivers 7,000W of continuous pure sine wave output with a 15,000W surge capacity, allowing it to start heavy loads such as well pumps, compressors, and power tools.

Q: Is this system designed for off-grid use?
A: Yes. The Rosie is purpose-built for off-grid homes, cabins, workshops, and backup power systems, providing reliable 120/240V split-phase power.

Q: What battery voltage does the Rosie support?
A: The system is designed for 48V battery banks, including LiFePO₄, AGM, Gel, and Flooded Lead-Acid batteries with programmable charging profiles.

Q: Does the Rosie include a battery charger?
A: Yes. It features a built-in multi-stage battery charger, allowing batteries to be charged efficiently from the grid or a compatible generator.

Q: Can the Rosie work with a generator?
A: Yes. It supports generator integration and automatic transfer functionality, making it easy to recharge batteries and provide backup power when solar production is low.

Q: What are the advantages of a pre-wired system?
A: A pre-wired design reduces installation time, simplifies system setup, minimizes wiring errors, and provides a cleaner, professionally assembled solution.

Q: Is the MidNite Solar Rosie made in the USA?
A: Yes. The Rosie inverter system is designed and manufactured in the USA, delivering high-quality performance and long-term reliability for off-grid solar installations.

Maintenance Tips

• Inspect all AC, DC, PV, battery, and grounding connections regularly, ensuring terminals are clean, secure, and tightened to the manufacturer's specified torque.
• Keep the inverter, charge controller, and pre-wired enclosure clean and free of dust and debris. Ensure ventilation openings remain unobstructed for proper cooling.
• Monitor inverter performance, battery charging status, PV input, and system alerts through the monitoring interface to identify potential issues early.
• Periodically inspect breakers, fuses, disconnects, surge protection devices, and communication cables for corrosion, loose connections, or signs of wear.
• Disconnect PV arrays, battery banks, and AC power before performing maintenance or cleaning, following all recommended electrical safety procedures.
• Inspect the enclosure, conduit fittings, cable glands, and weather seals for moisture intrusion, corrosion, or physical damage, especially in outdoor installations.
• Update inverter and charge controller firmware only when recommended by MidNite Solar to maintain compatibility, performance, and system reliability.
• Schedule an annual inspection by a qualified technician to verify inverter operation, charging performance, electrical connections, grounding integrity, and overall off-grid system safety.