Fortress Power Solo 6.5 Hybrid Inverter

Fortress Power Solo 6.5 Hybrid Inverter

The Fortress Power Solo 6.5 is a compact, high-performance hybrid inverter designed for residential solar + storage applications. Delivering 6.5 kW of continuous output, it is an ideal solution for homeowners who want reliable backup power, grid independence, and energy savings in a single, easy-to-install unit.

The Solo 6.5 integrates seamlessly with new or existing solar systems. It is engineered to pair perfectly with Fortress Power LiFePO₄ batteries, ensuring maximum efficiency, safety, and long-term reliability. Multiple MPPT trackers allow for flexible array designs, while smart energy management features make it easy to optimize self-consumption, reduce demand charges, and provide backup power during outages.

The Solo 6.5 meets grid compliance requirements across the U.S. Its built-in monitoring and intelligent controls provide homeowners with complete visibility and control over their energy usage.

Note: The Solo 6.5K inverter uses the SOLARMAN mobile app for system monitoring, commissioning, and remote access. SOLARMAN is a third-party platform specifically supported for the Solo 6.5K and provides visibility into system performance, status, and operation for both homeowners and installers.

To ensure proper setup and access permissions, follow Fortress Power’s step-by-step SOLARMAN setup guide before placing the system into operation.

Features:

• 6.5 kW continuous output power
• Designed for residential solar + storage applications
• Optimized for Fortress Power LiFePO₄ batteries
• Multiple MPPTs for flexible solar array design
• Advanced energy management: backup power, time-of-use shifting, zero export
• IEC62109-1, IEC62109-2, and UL1741 certified
• Remote monitoring & smart controls

Specifications

• Inverter Type: Hybrid (grid-tie, off-grid, battery backup)
• Output Power: 6.5 kW continuous
• Battery Compatibility: Fortress Power LiFePO₄ (48V)
• Certifications: IEC62109-1, IEC62109-2, and UL1741
• Dimensions: 27 x 16.1 x 5.5 in
• Weight: 47.84 lbs (21.7 kg)