UL Grid-Tied Systems

UL-Certified Power Featuring the All-New 48V ETHOS

From tiny homes & cabins, to family homes, mansions, & commercial buildings, the ETHOS is here to revolutionize your power! With the highest-level of certifications & an IP65-rated, stackable design, our easily-installed ETHOS Systems are built to provide unmatched reliability & longevity in your home or office. With configurations from 10kWh up to 92kWh, you can easily find the ideal system to cover your energy needs, stay prepared in case of emergencies, or capitalize on net metering programs, peak rate offsetting, & other tax incentives.

UL Grid-Tied Power Systems

Certifications: CEC | UL9540 | UL9540A | UL1973 | UL1741 | UN38.3

The 48V ETHOS & RHINO 2 have arrived! These LiFePO4 systems are here to revolutionize power storage for every family home & business in America! These systems can be customized for tiny homes, large estates, or light commercial systems. Certified to the highest level, with an IP65-rated casing & an expandable system design, our easily-installed ETHOS & RHINO 2 Systems are built to provide unmatched reliability & longevity in your home or office, and they’re proudly manufactured in the U.S.A. with foreign & domestic parts. With configurations from 10kWh up to 92kWh, you can easily find the ideal system to cover your energy needs, stay prepared in case of emergencies, or capitalize on net metering programs, peak rate offsetting, & other tax incentives.

FINANCING OPTIONS AVAILABLE FOR
HOMEOWNERS & INSTALLERS!

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Introducing the 48V ETHOS

The next generation of residential ESS is here! The 48V LiFePO4 ETHOS is a UL-certified, CEC-listed solution designed to provide reliable power storage for every home in America. Boasting a stackable, modular design, with all cables and components included, the ETHOS is easily installed to your wall & affords the ability to expand upon your system later on. We pair the ETHOS with a cutting-edge, UL1741-certified LUXPower inverter capable of supporting 18kW PV arrays, but the ETHOS is compatible with dozens of 48V inverters in case you already have one setup at home.

With preconfigured systems for indoor & outdoor installations, you can shop confidently knowing that BigBattery has a power system to support your energy needs. Plus, for solar installers, flexible system configurations & special installer financing options make the ETHOS the ideal battery solution for your installs. Check out our all-new 48V ETHOS Systems below!

Shop All System Configurations Below

Indoor & Outdoor

Configurations up to 30kWh

Equip your home or cabin with an indoor power system and take back control of your power! Say goodbye to rolling blackouts & grid instability and say hello to safe, reliable power, lower electric bills, & energy independence. Shop UL-certified, indoor system configurations ranging from 10 – 30kWh today!

  • 12kW 10.2kWh ETHOS System (ESS)

    2x Battery Modules + 12kW (18kPV) inverter

    FREE SHIPPINGK0954
    $8,940
    • 12kW 15.3kWh ETHOS System (ESS)

      3x Battery Modules + 12kW (18kPV) inverter

      FREE SHIPPINGK0955
      $10,690
      • 12kW 20.4kWh ETHOS System (ESS)

        4x Battery Modules + 12kW (18kPV) inverter

        FREE SHIPPINGK0956
        $12,630
        • 12kW 30.7kWh ETHOS System (ESS)

          6x Battery Modules + 12kW (18kPV) inverter

          FREE SHIPPINGK0957
          $16,110
          • 12kW 14.3kWh Rhino 2 System (ESS)

            LiFePO4 - 280Ah - 14.3kWh

            FREE SHIPPINGK0712
            $8,787
            • 12kW 28.6kWh Rhino 2 System (ESS)

              LiFePO4 - 560Ah - 28.6kWh

              FREE SHIPPINGK0713
              $12,782
              • 24kW 28.6kWh Rhino 2 System (ESS)

                LiFePO4 - 560Ah - 28.6kWh

                FREE SHIPPINGK0715
                $17,672

                Outdoor Residential

                Configurations up to 70kWh

                If you’re looking to ensure that your home is always powered & prepared, our outdoor residential systems are your solution. Equipped with an IP65-rated casing, heavy-duty cabling, an advanced BMS, & paired with state-of-the-art Lux inverters, these systems provide ultimate peace of mind through every season. Save on utilities, capitalize on net-metering programs, & take your home’s power to the next level. Shop UL-certified, outdoor system configurations ranging from 10 – 70kWh today!

                • 24kW 20.4kWh ETHOS System (ESS)

                  4x Battery Modules + 2x 12kW (18kPV) inverter

                  FREE SHIPPINGK0958
                  $17,880
                  • 24kW 30.7kWh ETHOS System (ESS)

                    6x Battery Modules + 2x 12kW (18kPV) inverter

                    FREE SHIPPINGK0959
                    $21,380
                    • 24kW 40.9kWh ETHOS System (ESS)

                      8x Battery Modules + 2x 12kW (18kPV) inverter

                      FREE SHIPPINGK0960
                      $25,260
                      • 24kW 61.4kWh ETHOS System (ESS)

                        12x Battery Modules + 2x 12kW (18kPV) inverter

                        FREE SHIPPINGK0961
                        $32,220
                        • 12kW 43kWh Rhino 2 System (ESS)

                          LiFePO4 - 840Ah - 43kWh

                          FREE SHIPPINGK0714
                          $16,777
                          • 24kW 43kWh Rhino 2 System (ESS)

                            LiFePO4 - 840Ah - 43kWh

                            FREE SHIPPINGK0723
                            $21,667
                            • 24kW 57.3kWh Rhino 2 System (ESS)

                              LiFePO4 - 1120Ah - 57.3kWh

                              FREE SHIPPINGK0716
                              $25,662
                              • 24kW 71.7kWh Rhino 2 System (ESS)

                                LiFePO4 - 1400Ah - 71.7kWh

                                FREE SHIPPINGK0717
                                $29,657

                                Commercial

                                Configurations up to 600kWh

                                From the office building to the jobsite, businesses are taking control of their power now more than ever, and these commercial power systems are the next step towards a lower carbon footprint for your business. We offer preset, UL-certified configurations up to 92kWh, but for those looking to truly transform how they power their business, get in touch with us today to get a quote for a custom-built off-grid system of up to 600kWh!

                                • 36kW 30.7kWh ETHOS System (ESS)

                                  6x Battery Modules + 3x 12kW (18kPV) inverter

                                  FREE SHIPPINGK0965
                                  $26,820
                                  • 36kW 46kWh ETHOS System (ESS)

                                    9x Battery Modules + 3x 12kW (18kPV) inverter

                                    FREE SHIPPINGK0966
                                    $32,070
                                    • 36kW 61.4kWh ETHOS System (ESS)

                                      12x Battery Modules + 3x 12kW (18kPV) inverter

                                      FREE SHIPPINGK0967
                                      $37,890
                                      • 36kW 92.1kWh ETHOS System (ESS)

                                        18 Battery Modules + 3x 12kW (18kPV) inverter

                                        FREE SHIPPINGK0968
                                        $48,330
                                        • 36kW 43kWh Rhino 2 System (ESS)

                                          LiFePO4 - 840Ah - 43kWh

                                          FREE SHIPPINGK0718
                                          $26,557
                                          • 36kW 86kWh Rhino 2 System (ESS)

                                            LiFePO4 - 1680Ah - 86kWh

                                            FREE SHIPPINGK0719
                                            $38,542

                                            System Components

                                            Expandability Made Easy

                                            Whether you’re looking to expand upon your current ETHOS or RHINO 2 System, add another inverter, or replace your cabling, you can find all the necessary system components & accessories right here.

                                            • ETHOS Control Box

                                              CNT060
                                              $490
                                              • 48V ETHOS 5.12KWH

                                                1 Battery Module

                                                FETHS-48051-G1
                                                $1,740
                                                • 48V ETHOS 10.2KWH

                                                  2x Battery Modules

                                                  K0949
                                                  $4,050
                                                  • 48V ETHOS 15.3KWH

                                                    3x Battery Modules

                                                    K0950
                                                    $5,800
                                                    • ETHOS Parallel Kit

                                                      Comm Cable Power Cables & Rack Base

                                                      K0990
                                                      $290
                                                      • Ethos Parallel Expansion KIT0698

                                                        ETHOS 2x Expansion Kit

                                                        2x Battery Modules

                                                        K0698
                                                        $3,770
                                                        • LUXPower 12K Inverter

                                                          LXP-LB-US 12k

                                                          FREE SHIPPINGINV020
                                                          $4,890
                                                          • ETHOS 3x Expansion Kit

                                                            3x Battery Modules

                                                            K0699
                                                            $5,510
                                                            • COMM CABLE

                                                              RACK TO RACK (4.9 ft)

                                                              CBL090
                                                              $10
                                                              • RED & BLACK POWER CABLE

                                                                RACK TO RACK (4.9 ft)

                                                                CBL089
                                                                $125
                                                                • RHINO 2 Parallel Cable Kit

                                                                  CNT080
                                                                  $98
                                                                  • Conduit Box

                                                                    RHINO 2 Conduit Box

                                                                    CNT079
                                                                    $98
                                                                    • 48V RHINO 2

                                                                      LiFePO4 – 280Ah – 14.34kWh

                                                                      FRHNO-48143-G2
                                                                      $3,799

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                                                                      BigBattery's Solar Installer Partner Program

                                                                      If you’re looking to offer the highest-quality products to your customers, while guaranteeing the best margins on your solar installs, then our Solar Installer Partner Program has you covered. We’re looking to partner with solar installers like you to offer our latest in home power solutions. We’ve sold over 120,000 residential units into the US market, receiving stellar ratings from customers, and we currently supply our battery solutions to hundreds of solar installers just like you.

                                                                      We want to become your preferred battery and inverter supplier, providing incredible margins, unbeatable price points, and cutting-edge technology for your business. To join our growing network of solar installers, click the button below and apply today!

                                                                      Unmatched Energy Storage.

                                                                      Tiny Homes have exploded in popularity in recent years, providing affordable and flexible housing options for those looking to downsize and focus on their adventures without being tied to a traditional brick-and-mortar home. Equip your tiny house with the perfect power system for your needs,whether taking your home off-grid year-round or simply staying prepared with backup power

                                                                      Unmatched Energy Storage.

                                                                      Your idea of a cabin getaway might be a hundred miles from nowhere, or it could be on your local favorite fishing lake. BigBattery can outfit your cabin with a reliable, safe, affordable power system no matter how you escape the hustle and bustle. We offer tailored solutions that are easily installed and require zero maintenance. Shop our Cabin Systems below to find the system that fits your needs.

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