Fortress Power Guardian Gateway Battery Unit Level Monitor
Fortress Power Heat Mat Kit
Fortress Power DuraRack — IP65 Outdoor Rated Battery Enclosure, 4-Battery Capacity, 5.4kWh–21.6kWh, UL9540 Certified
Fortress Power DuraRack Mini — Outdoor Rated Dual Battery Enclosure for eFlex and eFlex MAX
Fortress Power eFlex MAX Wall Mount Kit — Wall Mounting Kit with 300A Busbars for eFlex MAX 5.4kWh Battery
Fortress Power eFlex MAX 5.4 51.2V 5.4kWh LFP Lithium Battery
Fortress Power eForce Cover — Front Panel Cover for Envy Inverters
Fortress Power eForce 9.6 Module 9.6kWh 200AH
Fortress Power eBoost 16 51.2V 16kWh Scalable LFP Battery Storage System W/ 750A Busbar
Fortress Power eBoost 16 battery module 16 51.2V 16kWh Scalable LFP Battery
Fortress Power eBoost eWay Wireway Enclosure with 750A Busbar for eBoost Battery Systems
Fortress Power eBoost 16 eWay Lite Wireway Enclosure
Fortress Power Envy Duo 21 48V 25.0kW 240V Split-Phase 208V Three-Phase Triple MPPT Hybrid Inverter
Fortress Power Envy 10 48V 10.0kW 25A Dual MPPT Hybrid Inverter
Fortress Power Envy 8 48V 6.0kW 240V Dual MPPT Hybrid Inverter
Fortress Power Solo 6.5kW 140A 120/240V Single/Split Phase Non Export Hybrid Inverter
Fortress Power is a leading manufacturer of advanced lithium battery energy storage systems designed for residential, commercial, and off-grid applications. The company specializes in high-performance lithium iron phosphate (LiFePO₄) batteries engineered to deliver long cycle life, exceptional safety, and reliable energy storage for solar power systems. Fortress Power products are built to integrate seamlessly with modern solar inverters and hybrid energy systems, providing dependable backup power and optimized energy management for homes and businesses.
Known for their durable construction and industry-leading performance, Fortress Power batteries are designed to support demanding energy environments, including whole-home backup, off-grid living, and energy independence solutions. Their systems feature advanced battery management systems (BMS), modular scalability, and intelligent monitoring capabilities that allow users to track performance and maximize efficiency.
Fortress Power has established a strong reputation in the renewable energy industry by focusing on safety, longevity, and ease of installation. With thousands of installations worldwide, their battery solutions are trusted by solar professionals and installers for reliable power storage in grid-tied, hybrid, and fully off-grid solar systems.
Whether used for backup power, peak-shaving, or maximizing solar self-consumption, Fortress Power energy storage solutions help homeowners and businesses gain greater control over their energy usage while ensuring stable and uninterrupted power supply.