Fortress 6.5KW Solo | 21.6KWH Storage | 6.4KW Array | Tigo Rapid Shutdown Kit

Fortress 6.5KW Solo | 21.6KWH Storage | 6.4KW Array | Tigo Rapid Shutdown Kit

The Fortress 6.5 kW Solo Off-Grid Kit is a complete standalone solar power system designed to provide reliable electricity for homes and properties without access to utility power. It pairs a 6.4 kW photovoltaic array with 21.6 kWh of battery storage, offering substantial energy capacity for overnight use and extended periods of low solar production. This larger storage configuration is well suited for full-time off-grid homes or applications with higher nighttime energy demands.

Centered around the Fortress 6.5 kW Solo inverter, the system integrates solar charging, battery storage management, and AC power delivery into one streamlined platform. Tigo rapid shutdown technology is included to improve system safety and help meet code requirements by enabling module-level shutdown capability during maintenance or emergency situations.

Key Benefits:

Complete Off-Grid Power System
• Provides reliable standalone electricity for homes, cabins, and remote properties without utility service

Integrated Power Management
• Fortress Solo inverter combines solar charging, battery management, and AC output in one platform

Large Energy Storage Capacity
• 21.6 kWh battery bank supports overnight use and extended cloudy periods

High Solar Production
• 6.4 kW solar array generates substantial daytime energy for daily loads and battery charging

Expandable Battery Platform
• Modular Fortress eFlex Max batteries allow future system expansion

Enhanced System Safety
• Tigo rapid shutdown enables module-level shutdown for maintenance or emergency situations

Designed for Residential Off-Grid Applications
• Supports whole-home style loads depending on energy usage and system design

What’s Included:

Inverter
• Fortress Power Off Grid Solo 6.5 kW Inverter 120V/240V – 1

Battery Wire / Connectors
• Fortress Power eFlex Max 5.4 kWh 105Ah 48V Battery – 4
• Fortress Power eFlex Max Wall Bracket – 4
• 2/0 All-Flex Cable Black – 10 ft
• 2/0 All-Flex Cable Red – 10 ft
• 2/0 Battery Lug 5/16″ Tinned Copper – 4
• 2/0 Battery Lug 3/8″ Tinned Copper – 2

Solar Panels
• 6.4 KW

Solar Wire / Connectors
• 10 AWG PV Wire Black – 50 ft
• 10 AWG PV Wire Red – 50 ft
• Solar Connectors Male and Female – 4 pairs

Rapid Shutdown
• Tigo Rapid Shutdown TS4-A-F (725W, 22A, 1.2 m) – one per panel