Fortress Power | Batteries

Why Choose Fortress Power Batteries?

Fortress Power is a trusted leader in energy storage solutions, offering batteries designed to integrate seamlessly with solar systems, inverters, and backup power setups. With industry-leading cycle life, advanced safety features, and expandable capacity, Fortress Power Batteries give you the freedom to store and use clean energy on your terms.

Key Benefits of Fortress Power Batteries

• Long Cycle Life – Up to 6,000+ cycles for decades of reliable use.

• Safe Lithium Iron Phosphate (LiFePO4) – Superior safety, thermal stability, and durability.

• Scalable Energy Storage – Easily expand your system to match growing energy needs.

• High Efficiency – Store and discharge power with minimal energy loss.

• Smart Monitoring – Built-in battery management systems (BMS) for optimal performance.

Popular Fortress Power Battery Models

• Fortress Power eVault Series – High-capacity lithium batteries for whole-home backup and off-grid living.

• Fortress Power Envy Series – Compact, all-in-one storage solutions designed for easy installation and maximum efficiency.

• Fortress Power FlexTower – Modular, stackable energy storage for commercial and residential use.

Who Are Fortress Power Batteries For?

• Homeowners – Reliable backup during power outages and blackouts.

• Off-Grid Properties – Store solar energy for 24/7 independence.

• Businesses – Reduce energy costs and ensure reliable operations with scalable storage.

• Solar Installers & Contractors – Offer clients premium battery solutions with proven performance.

Shop Fortress Power Batteries Today

Take control of your energy independence with Fortress Power Batteries. Whether you need backup power for your home, scalable storage for your business, or a complete off-grid energy solution, Fortress Power delivers safe, efficient, and long-lasting performance.

Browse our full selection of Fortress Power Batteries today and power your future with reliable clean energy.

Frequently Asked Questions (FAQs)

Q: What makes Fortress Power Batteries different from other lithium batteries?
A: Fortress Power Batteries use LiFePO4 chemistry, known for its superior safety, long lifespan, and stability compared to standard lithium-ion batteries. Each unit includes a smart BMS to protect against overcharging, deep discharge, and overheating.

Q: Can I use Fortress Power Batteries for off-grid applications?
A: Absolutely. Fortress Power Batteries are ideal for off-grid setups, offering reliable energy storage for homes, cabins, and remote properties that need consistent power day and night.

Q: How long do Fortress Power Batteries last?
A: With proper installation and use, Fortress Power Batteries can last 10 to 15 years or more, delivering 6,000+ charge cycles while maintaining high efficiency.

Q: Are Fortress Power Batteries compatible with all inverters?
A: Yes, Fortress Power batteries integrate seamlessly with most major inverter brands, including Sol-Ark, Victron, and Schneider Electric, making them a flexible choice for new and existing solar systems.

Q: What is the difference between the eVault, Envy, and FlexTower models?
A:

• eVault Series: Large-capacity storage for whole-home or commercial use.

• Envy Series: Compact, wall-mounted design for easy installation.

• FlexTower: Modular and scalable, ideal for expanding systems.

Q: Do Fortress Power Batteries come with a warranty?
A: Yes. All Fortress Power Batteries include a 10-year limited warranty, providing long-term protection and peace of mind.

Q: Can I monitor my Fortress Power Battery system remotely?
A: Yes, Fortress Power’s smart BMS and monitoring tools allow real-time tracking of energy storage, performance, and system health through integrated software or apps.