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Fortress Power eVault Max 18.5kWh LFP Battery

SKU FEV-MAX-18.5
Save 6% Save 6%
Original price $12,500.00
Original price $12,500.00 - Original price $12,500.00
Original price $12,500.00
Current price $11,727.50
$11,727.50 - $11,727.50
Current price $11,727.50
Availability:
Low stock
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Fortress Power eVault Max 18.5kWh LFP Battery

Introducing the Fortress Power eVault Max 18.5kWh LFP Battery - the ultimate energy storage solution for your home or business. With a massive 18.5kWh capacity, this lithium iron phosphate battery pack can provide reliable power backup for extended periods, ensuring that you're never left in the dark.

Features:

  • High capacity 18.5kWh battery pack
  • Lithium iron phosphate (LFP) technology for long-lasting performance
  • Advanced battery management system for optimal performance and safety
  • Easy to install and maintain
  • Compatible with a wide range of solar inverters and charge controllers
  • Designed to withstand harsh environments and extreme temperatures
  • UL9540 and UN38.3 safety certifications
  • 10-year warranty for added peace of mind.

With the Fortress Power eVault Max 18.5kWh LFP Battery, you can rest easy knowing that your energy needs are fully covered, even during power outages. This powerful and durable battery pack is the perfect addition to any solar panel system, providing you with reliable and sustainable energy storage for years to come.

General Specifications

Total Energy (kWh) 18.5
Capacity[Ah] 360
Nominal Voltage [V] 51.2 (48)
Voltage Range[V] 48-55
Recommended Charge Current [A] 150
Max. Charge Current (Continuous)[A] 180
Max. Discharge Current (Continuous)[A] 180
Max. Pulse Current (for 10 sec) [A] 200
Charging Temperature[F] 32 to 120
Discharging Temperature[F] -4 to 140
Recommended Storage Temperature [F] 14 to 77
Dimension [H xW x D, inch] 20.3 x 20.3 x 42.2
Weight[lbs] 520
Enclosure Protection Rating IP55
Mounting options Floor standing
Certificates UL 1642, UL1973, UL9540
Warranty 10 Years
Scalability Maximum 20 in Parallel (370 kWh)
Communication CAN/RS485
High Current Circuit Breaker 250A
Efficiency >98%

 

Datasheets

eVault MAX Data Sheet
SPANISH eVault Max Data Sheet
SPANISH eVault Max Brochure

Installation Guides / Warranty

Quickstart Guide
Installation Manual
Inverter Guides (how to configure your inverter/charger)
Battery Firmware Download
Warranty Letter

Certifications

UL9540 Test Certificate
UL9540a Large Scale Fire Test Report
Application Note on Wall Spacing + Drywall Type

 

 

Frequently Asked Questions

General

Where are you located, and where do you ship from?

We are a U.S.-operated company with our main headquarters in Sheridan, Wyoming.

Orders are shipped across the continental U.S. from our network of warehouses, managed by our logistics partners in California, Illinois, Texas, New York, Florida, and Toronto.

How much is shipping?

We’re proud to offer FREE SHIPPING on all orders over $200 within the Continental United States.

The only exception is sauna stones—due to their weight and high shipping costs, we apply a shipping charge when they are purchased without a heater.

Do you provide financing?

Absolutely! To view your financing offer, simply select Shop Pay Installments as your payment method at Step 3 of checkout.

You'll need to enter a debit card to receive your offer, but don’t worry—you can still back out before completing the purchase.

How long will it take for my items to arrive?

If you order today, you can expect delivery within 5-13 business days. In-stock products typically ship within 2-6 business days, and once they leave the warehouse, transit time is usually 3-7 business days, depending on your location. Let us know if you need more details!

For pre-order or made-to-order items, the estimated delivery time frame is listed on the product page.

What happens after I place my order?

As soon as you place your order, you'll receive a confirmation email with your order details—be sure to keep it for your records. Once we process your order, we'll begin preparing it for shipment. As soon as it ships, you'll receive another email with tracking information.

1-2 days before delivery, the delivery team will call you to schedule an appointment. You’ll need to be home to accept and sign for the delivery at the scheduled time.

Is there a warranty?

Yes, all products come with a manufacturer warranty. You can find the specific warranty details for each product under the "Warranty" tab on its product page.

Do you have a showroom?

We don’t have a showroom, which means we can bring you the lowest prices as we don’t need to worry about any extra costs!

Where do you deliver to?

We offer free Curbside Delivery to all 48 lower states and for some products even Canada.

Do you ship internationally?

International Shipping

Yes, we offer international shipping for many of our products. Customers outside the US can request a personalized shipping quote by contacting us. Please be aware that any applicable taxes or customs fees will be the responsibility of the customer. Note that some items may be subject to shipping restrictions.

Shipping to Hawaii, Alaska, and Puerto Rico

We ship to Hawaii, Alaska, and Puerto Rico, although most items are subject to additional shipping fees. To obtain specific rates and prevent any restocking fees, please email us at contact@topture.com.

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