The newest innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh ®. An all-in-one solution for your residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple and worry free. The eVault Max is AC/DC coupled to solar arrays and works for many applications that require solar storage, including Off-Grid, Back Up power, self-supply and Peak Charge Reduction just to name a few.
Fortress Power – eVault MAX 18.5 kWh LFP Battery
Brand: Fortress Power
$13,752.00
Inventory Details
Vancouver
Available August 1, 2025
Edmonton
N/A
Calgary
N/A
Stratford
N/A
Dartmouth
N/A
In Stock – Product is in stock, available and ready to ship.
Low Stock – Product has limited stock available and ready to ship.
On Order * – Product is currently on order with the supplier and has a ship date.
Please Call – Currently out of stock, unavailable or available thru special order.
Discontinued – Product no longer available.
- Restocking 01-Aug-2025
Product Overview
Proven Reliability. Maximum Scalable Power.
The newest innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh ®. An all-in-one solution for your residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple and worry free. The eVault Max is AC/DC coupled to solar arrays and works for many applications that require solar storage, including Off-Grid, Back Up power, self-supply and Peak Charge Reduction just to name a few.
- High Capacity: Offers 18.5 kWh storage, scalable up to 370 kWh, suitable for large residential and commercial energy needs.
- Long Cycle Life: Boasts 8,000 cycles at 80% depth of discharge (DoD), ensuring extended battery lifespan.
- Efficient Power Output: Maintains 98% efficiency at 0.5C, making it highly effective for energy storage and delivery.
- Advanced Battery Management: Features an intelligent digital BMS with cell-level monitoring and balancing for optimal performance and safety.
- Wide Temperature Range: Operates from -4°F to 140°F for discharge, suitable for varied climates.
- Certifications: Compliant with UL1642, UL1973, and UL9540 standards, ensuring high safety and reliability.
- Ease of Installation: Designed with top-cover access, allowing straightforward installation and servicing.
- LCD Touch Display: Comes with an LCD screen for monitoring performance metrics directly on the unit.
- Closed-Loop Inverter Communication: Supports seamless integration with inverters for efficient energy management.
Monitor and control your eVault MAX Anywhere and Anytime!
- Monitor Performance of Each Battery
- Update Firmware Over The Air
- Participate in Virtual Power Plant Programs
Easy to Pair with Your Favorite Inverters with a simple click
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