Fortress Power

Fortress Power

Fortress Power products for PES catalog browsing. Product availability, freight, lead time, and final compatibility are confirmed before fulfillment. Popular Fortress Power models & specs Fortress Power 200A Pass-through integrated Auto Transfer Switch - AV-SEP Fortress Power Avlaon Battery Module 4.9 kWh 48V Max 50A - Avalon 4.9 KWH Battery Module - AV-B — full…

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105 products

Top Sellers — Market Front-Runners The same Tier-1 lines as the big national players · live PES pricing
Top SellerFortress Envy WLAN DongleFortress Power Fortress Envy WLAN Dongle $139.00 $225.00Available to orderLead time confirmed at checkoutTop Seller10.8kWh Fortress Battery Bank 48VDC LFPFortress Power 10.8kWh Fortress Battery Bank 48VDC LFP $9,624.83 $9,627.83Available to orderLead time confirmed at checkoutTop Seller16.2kWh Fortress Battery Bank 48VDC LFPFortress Power 16.2kWh Fortress Battery Bank 48VDC LFP $13,950.13 $13,985.10Available to orderLead time confirmed at checkout27.0kWh Fortress Battery Bank 48VDC LFP - 2Fortress Power 27.0kWh Fortress Battery Bank 48VDC LFP - 2 $22,642.90 $22,699.65Available to orderLead time confirmed at checkout21.6kWh Fortress Battery Bank 48VDC LFPFortress Power 21.6kWh Fortress Battery Bank 48VDC LFP $18,339.38 $18,342.38Available to orderLead time confirmed at checkout32.4kWh Fortress Battery Bank 48VDC LFPFortress Power 32.4kWh Fortress Battery Bank 48VDC LFP $26,760.26 $26,827.33Available to orderLead time confirmed at checkout37.8kWh Fortress Battery Bank 48VDC LFP - 2Fortress Power 37.8kWh Fortress Battery Bank 48VDC LFP - 2 $35,074.40 $35,162.31Available to orderLead time confirmed at checkoutFortress Power eForce Wall Mount BracketFortress Power Fortress Power eForce Wall Mount Bracket $279.00 Available to orderLead time confirmed at checkoutFortress Power eWay Wireway SystemFortress Power Fortress Power eWay Wireway System $442.00 $445.00Available to orderLead time confirmed at checkoutFortress Power eFLEX Battery Wall Mount Kit (Hardware Not Included)Fortress Power Fortress Power eFLEX Battery Wall Mount Kit (Hardware N... $123.75 $125.00Available to orderLead time confirmed at checkout
  • Fortress eFlex Max 5.4 kWh 51.2V eFlex Max Battery

    Fortress eFlex Max 5.4 kWh 51.2V eFlex Max Battery

    Fortress Power

    MPN: USSSP200-314

    $1,687.99 USD
    $1,687.99 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Envy 8kW Envy8 33.3A 240V All-in-One Whole Hybrid Home Solar Inverter

    Fortress Power Envy 8kW Envy8 33.3A 240V All-in-One Whole Hybrid Home Solar Inverter

    Fortress Power

    MPN: USSSP201-556

    $3,464.01 USD
    $3,464.01 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Envy 10kW Envy10 41.6A 240V Hybrid All-in-One Whole Home Inverter

    Fortress Power Envy 10kW Envy10 41.6A 240V Hybrid All-in-One Whole Home Inverter

    Fortress Power

    MPN: USSSP201-557

    $3,780.81 USD
    $3,780.81 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eForce 28.8kWh Stackable Outdoor Battery System eForce 28.8

    Fortress Power eForce 28.8kWh Stackable Outdoor Battery System eForce 28.8

    Fortress Power

    MPN: USSSP201-560

    $14,132.25 USD
    $14,132.25 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eForce 9.6kW Stackable 48V eForce 9.6 Outdoor Heated Lithium Battery

    Fortress Power eForce 9.6kW Stackable 48V eForce 9.6 Outdoor Heated Lithium Battery

    Fortress Power

    MPN: USSSP201-558

    $5,271.75 USD
    $5,271.75 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eForce eWay and Base Storage System

    Fortress Power eForce eWay and Base Storage System

    Fortress Power

    MPN: USSSP201-562

    $841.50 USD
    $841.50 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eForce Wallmount Bracket

    Fortress Power eForce Wallmount Bracket

    Fortress Power

    MPN: USSSP201-563

    $276.21 USD
    $276.21 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eForce Cover (Optional)

    Fortress Power eForce Cover (Optional)

    Fortress Power

    MPN: USSSP201-564

    $375.21 USD
    $375.21 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

    Fortress Power Envy 8kW All in One Hybrid Inverter + 2 eFlex Max 5.4 kWh Batteries Combo

    Fortress Power

    MPN: USSSP201-996

    $6,772.99 USD
    $5,969.00 USD $6,772.99 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Envy Duo 16kW 21 Whole Home Solar Hybrid Inverter Envy Duo 21-US (16KW)

    Fortress Power Envy Duo 16kW 21 Whole Home Solar Hybrid Inverter Envy Duo 21-US (16KW)

    Fortress Power

    MPN: USSSP202-171

    $4,898.00 USD
    $4,898.00 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Solo 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

    Fortress Power Solo 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

    Fortress Power

    MPN: USSSP202-172

    $1,533.51 USD
    $1,533.51 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eFlex Max Wall Mounting Kit

    Fortress Power eFlex Max Wall Mounting Kit

    Fortress Power

    MPN: USSSP202-211

    $119.99 USD
    $119.99 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eBoost eWay Lite Wire Management System

    Fortress Power eBoost eWay Lite Wire Management System

    Fortress Power

    MPN: USSSP202-210

    $417.99 USD
    $417.99 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eBoost eWay Wire Management System

    Fortress Power eBoost eWay Wire Management System

    Fortress Power

    MPN: USSSP202-079

    $568.99 USD
    $568.99 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eBoost Handle Kit (One Pair) | Battery Lifting Handles for eBoost System

    Fortress Power eBoost Handle Kit (One Pair) | Battery Lifting Handles for eBoost System

    Fortress Power

    MPN: USSSP202-976

    $108.99 USD
    $108.99 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Durarack Mini Enclosure for eFlex Max Battery Enclosure

    Fortress Durarack Mini Enclosure for eFlex Max Battery Enclosure

    Fortress Power

    MPN: USSSP202-946

    $285.00 USD
    $285.00 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Energy Storage System - 19.2kW | Portlandia Electric Supply Fortress Power eForce 19.2 19.2kW Energy Storage System (19.2kWh Capacity), view 2

    Fortress Power eForce 19.2 19.2kW Energy Storage System (19.2kWh Capacity)

    Fortress Power

    MPN: PES-7639354343558-1

    $9,800.00 USD
    $9,800.00 USD
    $510/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power 39kWh Wall-Mount Battery

    Fortress Power 39kWh Wall-Mount Battery

    Fortress Power

    MPN: PES-ESS-BAT-00550

    $29,809.44 USD
    $29,809.44 USD
    Pallet of 8
    $764/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power 119kWh LFP Home Battery

    Fortress Power 119kWh LFP Home Battery

    Fortress Power

    MPN: PES-ESS-BAT-00533

    $41,842.65 USD
    $41,842.65 USD
    Pallet of 8
    $352/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power 181kWh Portable Power Station

    Fortress Power 181kWh Portable Power Station

    Fortress Power

    MPN: PES-ESS-BAT-00518

    $122,470.48 USD
    $122,470.48 USD
    Pallet of 10
    $677/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power APSmart Module Level Rapid Shutdown for 2 solar panels max current 20A MC4 with brackets compatible with Envy inverters - AP Smart Duo

    Fortress Power APSmart Module Level Rapid Shutdown for 2 solar panels max current 20A MC4 with brackets compatible with Envy inverters - AP Smart Duo

    Fortress Power

    MPN: PES-SPS-SIV-0667

    $49.99 USD
    $49.99 USD
    Pallet of 30
    Available to order
    Lead time confirmed at checkout
    In Stock
  • DuraRack Mini Fortress Power DuraRack Mini IP65 Outdoor Enclosure

    Fortress Power DuraRack Mini IP65 Outdoor Enclosure for 2 eFlex Batteries with Busbars and Cable Sets

    Fortress Power

    MPN: PES-SPS-SIV-0848

    $1,276.93 USD
    $1,276.93 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress eFlex BMS

    Fortress eFlex BMS - eFlex BMS

    Fortress Power

    MPN: PES-ESS-BTS-0363

    $2,025.74 USD
    $2,025.74 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power 1 Envy 12 kW and 3 eFlex 5.4 G2 Envy12KW3 Envy 12 kW and 3 eFlex 5.4 G2

    Fortress Power 1 Envy 12 kW and 3 eFlex 5.4 G2 Envy12KW3

    Fortress Power

    MPN: PES-ESS-BTS-0292

    $16,563.38 USD
    $16,563.38 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress 500kW/2796kWh Energy Storage System - eSpire 233 Fortress eSpire5002796TEW 500kW/2796kWh Energy Storage System

    Fortress 500kW/2796kWh Energy Storage System - eSpire 233

    Fortress Power

    MPN: PES-ESS-AIO-0024

    $2,911,587.21 USD
    $2,911,587.21 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 29.4kWh (6 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 29.4kWh (6 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power

    MPN: PES-ESS-BTS-0008

    $23,444.96 USD
    $23,444.96 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power

    MPN: PES-ESS-BTS-0007

    $21,380.70 USD
    $21,380.70 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer Switch

    Sale
    Fortress Power

    MPN: PES-ESS-BTS-0006

    $16,744.00 USD
    $16,995.16 USD $16,744.00 USD
    −1%Pallet of 10
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power

    MPN: PES-ESS-BTS-0003

    $20,578.72 USD
    $20,578.72 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power

    MPN: PES-ESS-BTS-0002

    $18,139.35 USD
    $18,139.35 USD
    Pallet of 10
    Available to order
    Lead time confirmed at checkout
    In Stock
  • 10.8kWh Battery Solar Kit - (2) Fortress eFlex Max + DuraRack Mini Battery Solar Bundle - Fortress Power Solar Bundles 10.8kWh Battery Solar Kit - (2) Fortress eFlex Max + DuraRack Mini Battery Solar Bundle - Fortress Power Solar Bundles

    10.8kWh Battery Solar Kit - (2) Fortress eFlex Max + DuraRack Mini Battery Solar Bundle

    Sale
    Fortress Power

    MPN: PES-GAP-10-8kwh-battery-sola

    $2,121.28 USD
    $3,038.00 USD $2,121.28 USD
    -30%
    −30%Pallet of 8
    In stock
    Expected ship Nov 12 – 13
    SaleIn Stock
  • 16kW Solar Kit + 19.2kWh Battery Offgrid Kit | Trina 445W + Fortress Power Envy Duo 21 + eForce 19.2 kWh - Fortress Power Solar Bundles 16kW Solar Kit + 19.2kWh Battery Offgrid Kit | Trina 445W + Fortress Power Envy Duo 21 + eForce 19.2 kWh - Fortress Power Solar Bundles

    16kW Solar Kit + 19.2kWh Battery Offgrid Kit | Trina 445W + Fortress Power Envy Duo 21 + eForce 19.2 kWh

    Sale
    Fortress Power

    MPN: PES-GAP-16kw-solar-kit-19-2k

    $12,705.00 USD
    $18,195.50 USD $12,705.00 USD
    -30%
    −30%Pallet of 8
    In stock
    Expected ship Nov 12 – 13
    SaleIn Stock
  • Fortress Power Envy Inverter 12kW

    Fortress Whole Home Solar hybrid inverter; Max 21kW PV Array. Max 18 kW AC Outpost to Grid + battery

    Fortress Power

    MPN: PES-SPS-SIV-0828

    $4,873.51 USD
    $4,873.51 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Envy 12kW + 3× eFlex + DuraRack + Guardian

    Fortress Power Envy 12kW, 3 eFlex, One Guardian Battery Monitoring, One DuraRack Envy12KW3-BMG-Durarack

    Fortress Power

    MPN: PES-SPS-SIV-0792

    $21,126.40 USD
    $21,126.40 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Envy 12kW + 4× eFlex 5.4 G2 (21.6 kWh)

    Fortress Power Envy 12kW and 4 eFlex 5.4 G2 Envy12KW4

    Fortress Power

    MPN: PES-SPS-SIV-0791

    $18,125.95 USD
    $18,125.95 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Envy12KW-eVault bundle Fortress Envy 12 kW + eVault MAX 18.5 + Guardian monitoring

    Fortress Power Envy 12kW + eVault Max 18.5kWh Bundle

    Fortress Power

    MPN: PES-SPS-SIV-0790

    $15,748.53 USD
    $15,748.53 USD
    $851/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Envy 12 kW + four eFlex 5.4 G2 in DuraRack

    Envy 12kW 1-Phase Energy Storage System – 4 eFlex 5.4 G2 Modules, DuraRack - Envy12KW4-DuraRack

    Fortress Power

    MPN: PES-SPS-SIV-0789

    $16,716.09 USD
    $16,716.09 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress 5.4kWh 51.2V 105Ah eFlex Max LFP Battery with Top Cover and Busbar – eFlex Max Fortress eFlex Max LFP Battery

    Fortress 5.4kWh 51.2V 105Ah eFlex Max LFP Battery with Top Cover and Busbar – eFlex Max

    Fortress Power

    MPN: PES-ESS-BTS-0300

    $1,515.20 USD
    $1,515.20 USD
    Pallet of 8
    $281/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power eFlex 5.4 G2 5.4kWh LFP Battery – eFlex 5.4 G2 — side angle

    Fortress Power eFlex 5.4 G2 5.4kWh LFP Battery – eFlex 5.4 G2

    Fortress Power

    MPN: PES-ESS-BTS-0282

    $3,274.69 USD
    $3,274.69 USD
    Pallet of 8
    $606/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress eFlex 5.4 5.374kWh 51.2V Lithium Ferro Phosphate (LFP) Battery – 105Ah, Parallel up to 15 Units – eFlex 5.4 Fortress eFlex 5.4 5.374kWh 51.2V Lithium Ferro Phosphate Battery

    Fortress eFlex 5.4 5.374kWh 51.2V Lithium Ferro Phosphate (LFP) Battery – 105Ah, Parallel up to 15 Units – eFlex 5.4

    Fortress Power

    MPN: PES-ESS-BTS-0281

    $2,329.00 USD
    $2,329.00 USD
    Pallet of 8
    $433/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power 200A Pass-through integrated Auto Transfer Switch - AV-SEP Fortress Power 200A Energy Storage System Components - Solar Equipment | Portlandia Electric Supply

    Fortress Power 200A Pass-through integrated Auto Transfer Switch - AV-SEP

    Fortress Power

    MPN: PES-PA-ELC-1907

    $3,879.81 USD
    $3,879.81 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power LFP battery 105 AH 5.4kWh total capacity max. 10 year warranty A14 Wall mount bracket included - eFlex 5.4…

    Fortress Power LFP battery 105 AH 5.4kWh total capacity max. 10 year warranty A14 Wall mount bracket included - eFlex 5.4 kWh

    Fortress Power

    MPN: PES-ESS-BTS-0245

    $2,329.00 USD
    $2,329.00 USD
    Pallet of 8
    $431/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power 105Ah 51.2V Nominal 5.4kWh LFP battery - eFlex Max 5.4 — back view

    Fortress Power 105Ah 51.2V Nominal 5.4kWh LFP battery - eFlex Max 5.4

    Fortress Power

    MPN: PES-ESS-BTS-0244

    $1,519.00 USD
    $1,519.00 USD
    Pallet of 8
    $281/kWh
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Whole Home Max 21KW Solar hybrid inverter - Envy 12 kW — front view

    Fortress Power Whole Home Max 21KW Solar hybrid inverter - Envy 12 kW

    Fortress Power

    MPN: PES-SPS-SIV-0666

    $4,885.75 USD
    $4,885.75 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Solar hybrid inverter; Max 15KW PV array; IP 65 outdoor rated; Built-in APSmart RSD Transmitter - Envy 10 kW Fortress Power APS Hybrid Inverter 15kW | Portlandia Electric Supply

    Fortress Power Solar hybrid inverter; Max 15KW PV array; IP 65 outdoor rated; Built-in APSmart RSD Transmitter - Envy 10 kW

    Fortress Power

    MPN: PES-SPS-SIV-0665

    $3,899.00 USD
    $3,899.00 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Solar hybrid inverter; Max 13KW PV array; IP 65 outdoor rated; Built-in APSmart RSD Transmitter - Envy 8…

    Fortress Power Solar hybrid inverter; Max 13KW PV array; IP 65 outdoor rated; Built-in APSmart RSD Transmitter - Envy 8 kW

    Fortress Power

    MPN: PES-SPS-SIV-0664

    $3,735.00 USD
    $3,735.00 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avlaon Battery Module 4.9 kWh 48V Max 50A - Avalon 4.9 KWH Battery Module - AV-B Fortress Power KWH Battery Storage 4.9kWh - 48V | Portlandia Electric Supply

    Fortress Power Avlaon Battery Module 4.9 kWh 48V Max 50A - Avalon 4.9 KWH Battery Module - AV-B

    Fortress Power

    MPN: PES-ESS-BTS-0243

    $2,044.88 USD
    $2,044.88 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon Battery Management System 1 per Battery Stack - Avalon BMS Module - AV-BMS Fortress Power BMS Battery Storage | Portlandia Electric Supply

    Fortress Power Avalon Battery Management System 1 per Battery Stack - Avalon BMS Module - AV-BMS

    Fortress Power

    MPN: PES-ESS-BTS-0242

    $1,523.88 USD
    $1,523.88 USD
    Pallet of 8
    Available to order
    Lead time confirmed at checkout
    In Stock

About Fortress Power

Fortress Power products for PES catalog browsing. Product availability, freight, lead time, and final compatibility are confirmed before fulfillment.

Popular Fortress Power models & specs