Fortess Power eVault AC Coupled Energy Storage System (ESS)

Original price was: $29,000.00.Current price is: $26,820.00.

18.5 kW Lithium Ion Iron Phosphate Battery with Energy Storage Inverter.

***Includes all hardware and installation costs.

ADDITIONAL FINANCING OPTIONS Available. Tax Credit eligible. See Description below for more info. Buy now and get a free Solar Panel added to your system. Enter 1FREEPANEL coupon code at checkout.



Keep Your Family Safe and Connected with our #1 Selling

Solar Energy Storage Battery!

Fortress Power eVault MAX

• Latest Technology – We use the safest, environmentally friendly Lithium Iron Phosphate technology

• All-in-one Solution – Smart energy management system supports multiple applications

• Lowest Cost Per Cycle -Competitively priced and easy to install with high round-trip efficiency

• Long Lasting – 10-year warranty; up to 8,000 cycles

• Includes installation and hardware (Sol-Ark or Schneider Electric Storage Inverter)

Adding Fortress Power Energy Storage to your solar PV system enables you to maximize the use of your clean solar energy by storing excess solar for use at night and/or keeping your solar system running during those sunny days when the grid power goes out. Give your family peace of mind and energy security with the Fortress Power eVault MAX.

Fortress Power e-Vault Max Brochure

Fortress Power e-Vault Max Data Sheet

Additional information


18.5 kW Storage Capacity (scalable to 370 kWh)
180 Amps Continuous Power (7.6 kW)
200 Amps Peak Power (10 seconds) (9.2 kW)
External Inverter Required

Tax Credits and Incentives

If installed with a new or existing solar system, you could be eligible for the Federal Tax Credit of 26%. If you are an NM Resident, an additional tax credit of 10% is available if you qualify.


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