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Fortress Power Inverters

Fortress Power Inverters

  • 10kW Hybrid On/Off-Grid Inverter Battery Charger Fortress Power FP-ENVY-10K
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    10kW Hybrid On/Off-Grid Inverter Battery Charger Fortress Power Envy

    Fortress Power

    $4,500.00
    The Fortress Power Envy 10 is an easy to install and all-in-one 10,000 watt (10kW), 120V - 240Vac and 97.5% efficiency, inverter solution for grid-tied or stand-alone solar power generation for homes or backup power systems. The single unit operates as a...
    FP-ENVY-10K
    $4,500.00
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  • 8kW Hybrid On/Off-Grid Inverter Battery Charger Fortress Power FP-ENVY-8K
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    8kW Hybrid On/Off-Grid Inverter Battery Charger Fortress Power Envy

    Fortress Power

    $4,500.00
    The Fortress Power Envy 8 is an easy to install, all-in-one 8,000 watt (8kW), 120V - 240Vac and 97.5% efficiency, inverter for grid-tied or stand-alone solar power generation for homes or backup power systems. The single unit operates as a power...
    FP-ENVY-8K
    $4,500.00
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  • 12kW Hybrid On/Off-Grid Inverter Battery Charger Fortress Power FP-ENVY-12K
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    12kW Hybrid On/Off-Grid Inverter Battery Charger Fortress Power Envy True

    Fortress Power

    $5,500.00
    The Fortress Power Envy True 12 is a whole-home, easy to install 12,000 watt (12kW), 120V - 240Vac and 97.5% efficiency, inverter for grid-tied or stand-alone solar power generation for homes and light commercial or backup power systems. This all-in-one...
    FP-ENVY-12K
    $5,500.00
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Fortress Power Hybrid battery solar inverters

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Fortress Power is a Pennsylvania-based manufacturer of reliable solar inverters and lithium battery storage systems at affordable prices. With Fortress Power smart energy storage, you can continue to use your solar power, even during grid outages. The Fortress Envy solar inverters work on or off-grid with three models ranging from 8, 10 and 12 kW AC output. The Fortress eFlex and eVault are the lithium iron phosphate (LFP) battery lineup ranging from 5, 10 and 18.5kWh batteries with an 8,000 cycle life (more than years of daily use) and a 10-year warranty.

A Fortress Power Energy Storage systems allows you to to maximize your solar PV system by storing excess solar for use on demand.

  • Provide power during grid outages
  • Lower your electrical bill by avoiding peak rate times
  • Independence from the utility grid
  • Qualifies for renewable energy tax credit
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