Talk to a person

Not sure what size system you need?

Tell us about your project and we will help you compare the options.

The SunGold Power 6.5kW Off-Grid Solar Kit (SGM-655M) is a versatile starter package designed for cabins, shops, RVs, and small off-grid homes. With a 6500W split-phase inverter, a reliable 5.12kWh PowerWall lithium battery, and four 370W monocrystalline solar panels, this system is well-suited for users who want dependable renewable energy with room to expand.

Producing approximately 5.92kWh of electricity per day under average sunlight, this system can support essential loads such as lighting, refrigeration, electronics, and small appliances. The modular design allows for additional solar panels and batteries to be added as your power needs grow, making it a future-ready off-grid solution.


Key Features

  • High-Capacity Inverter – 6500W 48VDC pure sine wave inverter with 120V/240V split-phase output, UL1741 compliant.

  • Durable Battery Storage – 1 × 100Ah 51.2V LiFePO4 PowerWall battery (5.12kWh total) ensures safe, long-lasting performance.

  • Efficient Solar Panels – 4 × 370W monocrystalline panels deliver strong energy conversion in diverse weather conditions.

  • Expandable System – Supports additional solar panels and batteries for future scalability.

  • Off-Grid Independence – Perfect for small homes, RVs, cabins, and workshops seeking reliable off-grid power.


Specifications

Inverter

  • Model: SGM-655M

  • Capacity: 6500W

  • Input Voltage: 48V DC

  • Output Voltage: 120V/240V split-phase AC

  • Certification: UL1741 compliant

Battery

  • Type: LiFePO4 (Lithium Iron Phosphate) PowerWall

  • Capacity: 1 × 100Ah, 51.2V (5.12kWh total)

Solar Panels

  • Quantity: 4

  • Type: Monocrystalline

  • Power Rating: 370W each

Kit Overview

  • Daily Production: ~5.92kWh/day (with 4 hours peak sunlight)

  • Applications: Small homes, RVs, cabins, and workshops


What’s Included

  • 1 × 6500W 48VDC 120V/240V Split-Phase Inverter (UL1741 certified)

  • 4 × 370W Monocrystalline Solar Panels

  • 1 × 100Ah 51.2V LiFePO4 PowerWall Battery (5.12kWh total)

  • 1 × 50ft Solar Extension Cable Set (Inverter PV input)

  • 6 × Sets of Z-Bracket Mounting Hardware


User Manuals

📑 SunGold Power 6500W Solar Inverter UL1741 Manual (PDF)
📑 SunGold Power LiFePO4 5.12kWh Battery Manual (PDF)
📑 SunGold Power 370W Solar Panel Manual (PDF)
📑 SGM-655M Kit Wiring Diagram (PDF)


Warranty

  • Solar Panels – 25-year performance warranty

  • Inverter – 12–36 months (depending on model)

  • LiFePO4 Battery – 12–36 months (depending on model)

  • Returns – 30-day return policy (with conditions)

  • Warranty applies to original purchaser only; excludes misuse, unauthorized repair, or modification.

  • Free standard shipping

    On orders shipped within the continental U.S. See shipping policy

  • 30-day returns

    A 25% restocking fee applies only to change-of-mind returns. See return policy

  • Questions? Ask us

    Chat, email or phone, Monday to Friday, 9 AM to 6 PM Eastern. Contact us

  • Secure checkout

    Payments go through Shopify's encrypted checkout. See privacy policy