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Fortress Power
Fortress Power eForce Stackable Whole-Home Energy Storage System - eForce 28.8kW 600AH
SKU: eForce-EF-1-1-1-1-1
$13603.45
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Fortress Power eForce Stackable Whole-Home Energy Storage System - eForce 19.2kW 400AH
eForce-EF-1-1-1-1
$8896.55
Fortress Power eForce Stackable Whole-Home Energy Storage System - eForce 28.8kW 600AH
eForce-EF-1-1-1-1-1
$13603.45
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Have questions? Our team can help you select the right equipment for your project. Call 978-451-6890.
Product Overview
The Fortress Power eForce is a stackable 48V lithium iron phosphate (LFP) battery system designed for seamless integration with existing solar installations. With over 8,000 life cycles, IP65 rating, and built-in heating elements, it delivers reliable energy storage for both on-grid and off-grid applications.
Key Features
- Stackable & Scalable: Stack vertically up to 28.8 kWh per stack or expand laterally up to 268.8 kWh total
- 8,000+ Life Cycles: LFP chemistry provides superior safety, longevity, and fast-charging capability
- IP65 Rated: Built-in heating elements ensure reliable performance in extreme temperatures, indoors or outdoors
- VPP Ready: Participate in virtual power plant programs to earn incentives for grid support
- 15-Year Warranty: Included standard, with an optional 30-year extension when paired with a Fortress Envy Hybrid Inverter
What's Included
- eForce Battery (9.6kW, 19.2kW, or 28.4kW)
- eWay Battery Combiner
- Battery Cables & Wire Management
- Floor Mount
Who Is This For?
Ideal for homeowners seeking whole-home backup or energy bill reduction, off-grid installations, those interested in VPP program participation, and anyone building a new solar system or upgrading an existing one.
Frequently Asked Questions
How many eForce units can I stack together?+
What is the difference between the eForce and the eFlex MAX?+
Can the eForce be installed in my garage?+
Does the eForce work during a grid outage?+
Ready to order?
Contact us for pricing and availability.