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Fortress Power - eFlex Storage and Mounting Options
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Fortress Power

Fortress Power has proudly serviced homeowners and commercial clients worldwide. Their Pennsylvania-based team’s passion for clean energy storage has earned them a place among the world’s top energy storage battery manufacturers. Fortress Power prides themselves on bringing businesses and households energy storage products they can depend on, built from only the highest quality, highest powered lithium ferrite phosphate batteries.

Fortress Power delights in bringing our customers intelligently designed energy technologies, delivered with a personalized touch. From the minute you contact us, Fortress Power’s team members promise to work with you to find the battery that will best adapt to your needs. And after our technicians complete your battery’s installation, Fortress Power stays in touch to ensure you’re satisfied and on your way to energy independence. So not only our are products responsive to your home or small business’s demands, but we are, too.

EcoDirect and Fortress Power presents: Solar and Storage - Realistic expectations

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EcoDirect and Fortress Power Presents: Mapping Your Solar & Storage System.

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$700 OFF
if you buy 1 FlexRack and 4 eFlex Batteries
Now $15,050, Regular $15,750.00
Fortress Power eFlex 5.4 and
FlexRack 21.6kWh Bundle


Offer valid 4/18/22- 6/30/22

$500 OFF
if you buy 1 FlexRack and 3 eFlex Batteries
Now $11,625, Regular $12,125.00
Fortress Power eFlex 5.4 and
FlexRack Bundle 16.2kWh Bundle


Offer valid 4/18/22- 6/30/22

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Eco-Cable 18.0008-BB-45 > 4 AWG Battery Cable for Fortress FlexRack Battery Rack System Kit - 8 Cables Kit Fortress Power eFlex 5.4 > 48 Volt 5.4kWh (105AH) Battery - Lithium Iron Phosphate (LiFeP04) Fortress Power eFlex 5.4 and FlexRack 21.6kWh Bundle > 48 volt 21.6 kWh (420AH) Batteries and FlexRack - Energy Storage Package - Lithium Iron Phosphate (LiFeP04)
Our Price: $65.00
more info
Our Price: $3,735.00
more info
Our Price: $15,050.00
more info
Eco-Cable 18.0008-BB-45 > 4 AWG Battery Cable for Fortress FlexRack Battery Rack System Kit - 8 Cables Kit Fortress Power eFlex 5.4 > 48 Volt 5.4kWh (105AH) Battery - Lithium Iron Phosphate (LiFeP04) Fortress Power eFlex 5.4 and FlexRack 21.6kWh Bundle > 48 volt 21.6 kWh (420AH) Batteries and FlexRack - Energy Storage Package - Lithium Iron Phosphate (LiFeP04)
Eco-Cable
4 AWG Battery Cable for Fortress FlexRack Battery Rack System Kit
8 Cables Kit - 18.0008-BB-45
Fortress Power
48 Volt 5.4kWh (105AH) Battery
Lithium Iron Phosphate (LiFeP04) eFlex 5.4
Fortress Power
48 volt 21.6 kWh (420AH) Batteries and FlexRack - Energy Storage Package -
Lithium Iron Phosphate (LiFeP04)
eFlex 5.4 and FlexRack 21.6kWh Bundle
Fortress Power eFlex 5.4 and FlexRack Bundle 16.2kWh Bundle > 48 volt 16.2 kWh (315AH) Batteries and FlexRack - Energy Storage Package - Lithium Iron Phosphate (LiFeP04) Fortress Power eVault Max 18.5 > 48 Volt 18.5kWh Battery - Lithium Iron Phosphate (LiFeP04) Fortress Power FlexRack > eFLEX 5.4 Battery Storage Rack
Our Price: $11,625.00
more info
Our Price: $12,310.00
more info
Our Price: $1,750.00
more info
Fortress Power eFlex 5.4 and FlexRack Bundle 16.2kWh Bundle > 48 volt 16.2 kWh (315AH) Batteries and FlexRack - Energy Storage Package - Lithium Iron Phosphate (LiFeP04) Fortress Power eVault Max 18.5 > 48 Volt 18.5kWh Battery - Lithium Iron Phosphate (LiFeP04) Fortress Power eFLEX Wall Mount Kit > Wall Mount Kit for eFLEX 5.4 Lithium Iron Battery
Fortress Power
48 volt 16.2 kWh (315AH) Batteries and FlexRack - Energy Storage Package
Lithium Iron Phosphate (LiFeP04)
eFlex 5.4 and FlexRack Bundle 16.2kWh Bundle
Fortress Power
48 Volt 18.5kWh Battery
Lithium Iron Phosphate (LiFeP04) - eVault Max 18.5
Fortress Power
Wall Mount Kit for eFLEX 5.4 Lithium Iron Battery
eFLEX Wall Mount Kit
Sol-Ark 12kW Inverter with Fortress Power eFlex 16.2kWh Battery Storage Kit Sol-Ark 12kW SA-EMP Inverter with Fortress Power eFlex 16.2kWh Battery Storage Kit Sol-Ark 8kW Inverter with Fortress Power eFlex 10.8kWh Battery Storage Kit
Our Price: $18,200.00
more info
Our Price: $19,480.00
more info
Our Price: $13,500.00
more info
Sol-Ark 12kW Inverter with Fortress Power eFlex 16.2kWh Battery Storage Kit Sol-Ark 12kW SA-EMP Inverter with Fortress Power eFlex 16.2kWh Battery Storage Kit Sol-Ark 8kW Inverter with Fortress Power eFlex 10.8kWh Battery Storage Kit
Sol-Ark 12kW Inverter & Fortress Power
eFlex 16.2kWh Battery Storage Kit
Sol-Ark 12kW SA-EMP Inverter & Fortress Power
eFlex 16.2kWh Battery Storage Kit
Sol-Ark 8kW Inverter & Fortress Power
eFlex 10.8kWh Battery Storage Kit
Sol-Ark 8kW SA-EMP Inverter with Fortress Power eFlex 10.8kWh Battery Storage Kit
Our Price: $14,780.00
more info
Sol-Ark 8kW SA-EMP Inverter with Fortress Power eFlex 10.8kWh Battery Storage Kit
Sol-Ark 8kW SA-EMP Inverter & Fortress Power
eFlex 10.8kWh Battery Storage Kit
   
 
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Click here for a list of compatible inverters Fortress Power Batteries