Fortress Power eVault Max 18.5 kWh Lithium Ferro Phosphate Battery

SKU EVAULTMAX18.5

by Fortress Power

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$7,698.97

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Fortress eVault Max Makes Indoor Life Interruption-Free

Fortress Power eVault Max 18.5 kWh Lithium Ferro Phosphate Battery delivers high capacity, long life, and stable performance for whole home backup and energy storage. It features a 250A safety breaker, a smart LCD that shows voltage, current, and state of charge, and full front service access for easy maintenance. With a scalable design up to 370 kWh, UL9540 and UL1973 certifications, and reliable lithium ferro phosphate chemistry, it offers safer and longer-lasting power compared to many standard home batteries.

Bring dependable energy security to your home with the Fortress eVault Max Battery - EVAULTMAX18.5. Buy yours today and enjoy powerful backup ready whenever you need it.

Specifications

Chemistry: Lithium Iron Phosphate (LiFePO₄ or LFP), known for its safety, durability, and long lifespan.
Total energy: 18.5 kWh.
Nominal voltage: 51.2 V (48V nominal).
Capacity: 360 Ah (Amp-hours).
Maximum charge current: 180 A (continuous).
Maximum discharge current: 180 A (continuous).
Scalability: The system can be expanded by connecting up to 20 units in parallel, for a total capacity of 370 kWh.
Efficiency: Over 98% round-trip efficiency.
Cycle life: 8,000+ cycles at 80% Depth of Discharge (DoD).
Dimensions: 20.3" x 20.3" x 42.2" (width x depth x height).
Weight: 520 lbs.
Certifications: UL 9540, UL 1973, and UL 1642 certified.
Warranty: 10 years.

Features:

Whole home and off-grid-ready energy storage
Compatible with AC and DC-coupled solar systems
Smart BMS for advanced cell-level protection
Works seamlessly with top hybrid inverter brands
Reduces energy costs by shifting usage to stored power
Helps businesses cut peak demand charges
Floor-standing all-in-one design for easy installation
Top access and LCD screen for quick maintenance
IP55 industrial aluminum enclosure for indoor or outdoor use
Long-lasting and safe lithium ferro phosphate chemistry

Product Documents:

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Fortress Power eVault Max 18.5 kWh Lithium Ferro Phosphate Battery

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Find a better price somewhere else?

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4-5 Day Free Shipping + No Sales Tax

Easy 30-Day Returns & Price Beat Guarantee

Post-Purchase Customer Support