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Fortress eVault 18.5kWh Lithium Ferro Phosphate Battery | 10-Year Warranty (Discontinued)

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Rated 0.0 out of 5
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SKU: eVault 18.5kWh

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Fortress eVault 18.5kWh Lithium Battery + Free Lifetime Support!

*Discontinued and now the eVault MAX. 

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 Lithium Battery Overview:

Fortress eVault 18.5kWh Lithium Battery Features:

  • Total Energy (kWh) 18.5
  • Capacity [Ah] 360
  • Nominal Voltage [V] 51.2 (48)
  • Voltage Range [V] 45-58.4
  • Recommended Charge Current [A] 100
  • Max. Charge Current (Continuous) [A] 170
  • Max. Discharge Current (Continuous) [A] 180
  • Max. Pulse Current (for 10 sec) [A] 200
  • Charging Temperature [F] 32 to 113
  • Discharging Temperature [F] 32 to 113
  • Recommended Storage Temperature [F] 50 to 95

Fortress eVault 18.5kWh Lithium Battery Specs:

  • Dimension [H x W x D, inch]: 38.8 x 19.2 x 21.3
  • Weight [LBS]: 476
  • Enclosure Protection Rating IP21
  • Mounting options: Floor standing
  • Certificates: UL 1624
  • Warranty: 5/10 Years
  • Scalability: Maximum 12 in Parallel (222 kWh)
  • Communication: CAN/RS485
  • High Current Circuit Breaker: 250A
  • Efficiency: >98%

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 222 kWh for both residential and commercial buildings

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

Still have questions? Give us a call at 877-242-2792

Shipping Times Estimated delivery time for in-stock orders placed today is 5-10 business days. Due to the increase in demand for off-grid solar products in 2022, our average shipping times for most orders is currently 9-12 business days.

Shipments & Lead Times: We process all orders within 72 hours. From there, we do our best to ship as quickly as possible. Shipping times vary depending on the product and size of your order. We will send you your tracking information to the e-mail and/or phone number on file.

With the incredible demand for solar products, our average delivery time to your door is between 9-12 business days from date of order. However, for some products, shipping can be as fast as 5-7 business days to your door. Please check specific product pages for the most accurate information.

*As of the start of 2022 - our stock levels are healthy and shipments are moving relatively quickly. If you place an order for something that is not in stock, or is on backorder, our team will reach out to you within 24-72 hours of placing your order to determine how you would like to move forward.

If you have any questions, give us a call at 877-242-2792 or reach out via email / live chat.

Product Description

Fortress eVault 18.5kWh Lithium Battery + Free Lifetime Support!

*Discontinued and now the eVault MAX. 

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 Lithium Battery Overview:

Fortress eVault 18.5kWh Lithium Battery Features:

  • Total Energy (kWh) 18.5
  • Capacity [Ah] 360
  • Nominal Voltage [V] 51.2 (48)
  • Voltage Range [V] 45-58.4
  • Recommended Charge Current [A] 100
  • Max. Charge Current (Continuous) [A] 170
  • Max. Discharge Current (Continuous) [A] 180
  • Max. Pulse Current (for 10 sec) [A] 200
  • Charging Temperature [F] 32 to 113
  • Discharging Temperature [F] 32 to 113
  • Recommended Storage Temperature [F] 50 to 95

Fortress eVault 18.5kWh Lithium Battery Specs:

  • Dimension [H x W x D, inch]: 38.8 x 19.2 x 21.3
  • Weight [LBS]: 476
  • Enclosure Protection Rating IP21
  • Mounting options: Floor standing
  • Certificates: UL 1624
  • Warranty: 5/10 Years
  • Scalability: Maximum 12 in Parallel (222 kWh)
  • Communication: CAN/RS485
  • High Current Circuit Breaker: 250A
  • Efficiency: >98%

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 222 kWh for both residential and commercial buildings

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

Still have questions? Give us a call at 877-242-2792

Shipping & Delivery

Shipping Times Estimated delivery time for in-stock orders placed today is 5-10 business days. Due to the increase in demand for off-grid solar products in 2022, our average shipping times for most orders is currently 9-12 business days.

Shipments & Lead Times: We process all orders within 72 hours. From there, we do our best to ship as quickly as possible. Shipping times vary depending on the product and size of your order. We will send you your tracking information to the e-mail and/or phone number on file.

With the incredible demand for solar products, our average delivery time to your door is between 9-12 business days from date of order. However, for some products, shipping can be as fast as 5-7 business days to your door. Please check specific product pages for the most accurate information.

*As of the start of 2022 - our stock levels are healthy and shipments are moving relatively quickly. If you place an order for something that is not in stock, or is on backorder, our team will reach out to you within 24-72 hours of placing your order to determine how you would like to move forward.

If you have any questions, give us a call at 877-242-2792 or reach out via email / live chat.

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