2 x Fortress Power eVault [MAX] 18.5kWh Batteries | 37kWh of Lithium Battery Bank | 10-Year Warranty

*2 x 18.5kwh battery's are included with your purchase!*

Fortress Power eVault [MAX] 18.5 Kilowatt-hour Lithium Battery Storage

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 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.

Not only is the new fortress eVault Max 18.5 kWh battery safe, long-lasting and affordable, but is also equipped with a brand new LCD screen that displays voltage, current, state of charge, and power output and operating status. The built-in smart battery management system integrates multilevel safety concepts for excellent performance.

Latest Technology: We use the safest, environmentally friendly prismatic Lithium Iron Phosphate cells.

Lowest Cost per cycle: Competitively priced and easy to install with >98% round-trip efficiency.

Flexible and Scalable: Expandable from 18.5 kWh to 370 kWh for both residential and commercial buildings

Long-Lasting: 10-year warranty; up to 6,000+ cycles

Smart and Advanced: The smart relay-based Battery Management System, supports closed-loop communication with various hybrid inverters for best performance - scalable up to 20 units

Fortress Power eVault MAX 18.5 Specifications:

• Total Energy: 18.5 kWh
• Nominal Voltage: 51.2(48)V
• Voltage Range: 45-58.4 V
• Recommended Charge Current: 150 Amp
• Max. Charge Current(Continuous): 180 Amp
• Max. Discharge Current(Continuous): 180 Amp
• Recommend Storage temperature: 50 to 95 F
• Charge temperature: 32 to 113 F
• Capacity: 370 Amp-hour
• UL 9540 Listed
• Dimension(H x W x D): 42.2" x 20.3" x 20.3"
• Weight: 520 lbs

Technical Features:

• Large touch screen LED display
• Sleek IP55 industrial-grade aluminum
• Front-serviceable cover
• Transportable on wheels

Downloads And Specs:

• eVault MAX Installation Manual
• eVault MAX Brochure
• eVault MAX Technical Datasheet

Orders are processed within 72 hours. We do our best to ship as quickly as possible. You can expect delivery within 7 to 14 business days from order to delivery (US). For more info please see our Shipping policy.

Larger Freight items: Shipping times depend on the destination & the size of the order. Please contact us for shipping time estimates or for a custom freight quote.

Full Manufacturer warranty included.

100% protected against defects or malfunctions with full manufacturer warranty.

Our dedicated customer service team is always available to assist you with help locating warranty information for any product, ensuring a smooth resolution process.

We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your equipment, we’ve got you covered.