Sol-Ark 12K + Fortress eVault MAX 18.5kWh Kit | 120/240 48V [All-In-One] Pre-Wired Hybrid Inverter + 18.5kWh Lithium Battery Bank | 10-Year Warranty

The Sol-Ark 12k is a great choice stackable solar/hybrid inverter! It’s an all-in-one, pre-wired inverter with built in charge controllers and many other built-in feature fitted as standard. It is flexible, efficient, and affordable. Everything you need comes in one box, keeping your cost LOW and installation SIMPLE. 10-year standard Warranty

The Fortress eVault 18.5kWh lithium battery uses the safest, environmentally friendly Prismatic Lithium Iron Phosphate cells available! Expandable from 18.5 kWh to 222 kWh for both residential and commercial buildings. Competitively priced and easy to install with 98% round-trip efficiency. 10-year warranty; up to 6,000+ cycles. 

Fortress Power’s engineers are on a mission to provide you with the most advanced Prismatic Lithium Iron Phosphate Battery available! Not only is the new Fortress eVault 18.5 kWh battery safe, long-lasting and affordable, but is also equipped with a brand new LCD screen that displays Voltage, State of Charge (SOC), Power Output and Operating Status.

eVault 18.5kWh MAX Lithium Battery Overview:

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

The following sizing recommendations will affect the warranty if not followed. Fortress Power minimum battery bank sizing recommendations for common battery-based inverters (Magnum, OutBack, Phocos, Schneider Electric, SMA Sunny Island, Sol-Ark, Victron, etc): Fortress sizing recommendations.

Fortress Power eVault MAX 18.5 Product Documents:

What's Included With Your Order?