List the circuits that must stay on during an outage, then estimate their combined running watts.
Whole-home backup
Reserve power for the home you live in.
Explore capable systems for essential circuits, expanded home coverage, and a more deliberate path to resilient energy.
What to consider
Start with critical loads—not a generic package.
Choose the backup duration that works for your household and size battery capacity around that target.
Confirm compatible transfer equipment, voltage, and a qualified installation plan before purchase.
Whole-home backup
Products 1–48 of 104

Anker SOLIX
Anker SOLIX E10 Whole-Home Backup (UL9540 & 9540A Certified)
For whole-home backup, the Anker SOLIX E10 combines 7.6kW of rated output with 6kWh of capacity and carries UL9540 and 9540A certification. It is plug and play with existing transfer switch or inlet boxes, or with E10 power strips, which suits homes that already have backup wiring in place.
$3,199.20

Anker SOLIX
E10 Off-Grid Kit
Anker's E10 Off-Grid Kit is intended for homes that run independently of the grid. The E10 battery system is designed to grow with your home over time.
$4,499.25

BigBattery
BigBattery APEX-6.5K Off-Grid Inverter, 48V All-in-One Inverter with 10kW Solar Input, UL 1741
Designed for off-grid properties, BigBattery's APEX-6.5K is a 48V all-in-one inverter with 120/240V split-phase pure sine wave output and UL 1741 certification. It accepts up to 5kW of solar on each of its two MPPTs, and up to six units can be wired in parallel for commercial installations.
$1,000.00

Briggs & Stratton
Briggs & Stratton | PowerProtect™ 13/11.5kW Home Standby Generator | 120/240V | LP/NG
Homeowners who want automatic backup on propane or natural gas will find the PowerProtect PP13 a compact option. It produces 13 kW on LP and 11.5 kW on NG, and Briggs & Stratton says it engages within seconds of an outage.
$3,409.09

Briggs & Stratton
Briggs & Stratton | PowerProtect™ 13/11.5kW Home Standby Generator Bundle | 100A 16-Circuit Automatic Transfer Switch | 120/240V | LP/NG
This PP13 bundle pairs Briggs & Stratton's 13/11.5 kW standby generator with a 100A automatic transfer switch. It suits homeowners who want hands-off backup without giving up much yard space.
$3,986.36

Briggs & Stratton
Briggs & Stratton | PowerProtect™ 13/11.5kW Home Standby Generator Bundle | 200A Whole-Home Automatic Transfer Switch | Symphony Choice Power Management | 120/240V | LP/NG
Pairing the PP13 generator with a 200A whole-home transfer switch, this bundle from Briggs & Stratton covers whole-home backup. It restores power within seconds of a utility outage, with no refuelling or manual setup.
$3,819.04

Briggs & Stratton
Briggs & Stratton PP18 Standby Generator | 18/18kW (LP/NG)
The PowerProtect PP18 gives a full 18 kW on either propane or natural gas, so you do not lose capacity when you choose one fuel over the other. Briggs & Stratton designed it to restore power automatically within seconds of an outage.
$4,118.18

Briggs & Stratton
Briggs & Stratton PP18 Standby Generator 18/18kW Bundle + 200 amp Standard SED Transfer Switch + Symphony Choice Power Management
Packaged as a whole-home kit, this bundle combines the PP18 generator with a 200A service-entrance-rated transfer switch and Symphony Choice power management. NGMax technology lets the PP18 hold a full 18 kW on natural gas as well as propane.
$4,745.45

Briggs & Stratton
Briggs & Stratton PP22 Standby Generator | 22/22kW (LP/NG)
A full 22 kW on either propane or natural gas puts the PP22 in a good position for larger homes. It runs automatically when the grid goes down and keeps HVAC, well pumps and appliances going.
$4,326.14

Briggs & Stratton
Briggs & Stratton PP22 Standby Generator 22/22kW Bundle + 200 amp Standard SED Transfer Switch + Symphony Choice Power Management
In this bundle the PP22 comes with a 200A service-entrance-rated automatic transfer switch that is Symphony Choice compatible. It is a complete whole-home setup for homes that need 22 kW on either fuel.
$4,944.04

Briggs & Stratton
Briggs & Stratton PP22 Standby Generator 22/22kW Bundle + Dual 200A / Split 400S Symphony II SED Power Management Transfer Switch
Homes with two 200A service panels are the target for this PP22 bundle. The generator is paired with a dual 200A automatic transfer switch that has Symphony load management built in.
$5,809.09

Briggs & Stratton
Briggs & Stratton PP26 Standby Generator | 26/24kW (LP/NG)
Briggs & Stratton's PP26 is the most powerful standby generator in this group, rated at 26 kW on propane and 24 kW on natural gas. It restores power within seconds and includes a controller with scheduling and fault codes.
$4,897.16

Briggs & Stratton
Briggs & Stratton PP26 Standby Generator 26/24kW Bundle + 200 amp Standard SED Transfer Switch + Symphony Choice Power Management
This PP26 bundle adds a 200A automatic transfer switch to Briggs & Stratton's largest standby generator. You get 26 kW on propane or 24 kW on natural gas, with hands-free switching when the grid fails.
$5,516.76

Cummins
Cummins C20D6 20kW Diesel Home Standby Generator with 24-Hour Fuel Tank (120/240V Single Phase), A063P961
Diesel does not depend on utility gas lines that can fail in the same storm, which is the main case for the Cummins C20D6. This 20kW Quiet Connect Series standby generator (A063P961) comes with an integrated 24-hour steel fuel tank of about 43 gallons.
$15,578.05

Duracell
Duracell Power Center 15kW Hybrid Inverter
At the centre of a Duracell solar and storage system sits the Power Center Max Hybrid 15 kW inverter. It manages solar, battery and grid power and delivers 15,000 W continuous for homes or businesses.
$5,109.38

EcoFlow
EcoFlow 10kWh Power Kits
The 10kWh version of EcoFlow's Power Kits is a 48V system built around an all-in-one inverter hub with stackable batteries. It suits RV and off-grid owners who want several ways to charge.
$9,374.25

EcoFlow
EcoFlow 15kWh Power Kits
At 15kWh, this is the largest of the EcoFlow Power Kits in this range, a 48V system with an all-in-one inverter hub and stackable batteries. It is built for larger RV and off-grid installations.
$12,749.25

EcoFlow
EcoFlow 2kWh Power Kits
The smallest of the EcoFlow Power Kits, this 2kWh version uses the same 48V all-in-one inverter hub and stackable battery design. It suits smaller vans and RVs.
$3,797.60

EcoFlow
EcoFlow 4kWh Power Kits
The 4kWh EcoFlow Power Kit is a 48V system with an all-in-one inverter hub. It suits mid-size RVs and vans.
$4,872.00

EcoFlow
EcoFlow DELTA Pro 3 Whole-Home Power Kit
Planned for week-long outages, the DELTA Pro 3 Whole-Home Power Kit offers 8kWh to 24kWh of capacity and 8kW of output. It can run a 3-ton central AC along with other essential appliances.
$4,206.75

EcoFlow
EcoFlow DELTA Pro Ultra Intelligent Kit
EcoFlow's DELTA Pro Ultra Intelligent Kit is a whole-home backup package built around the DELTA Pro Ultra and Smart Home Panel 2. It is intended for homeowners planning a permanent, panel-connected battery system.
$4,199.25

EcoFlow
EcoFlow DELTA Pro Ultra Inverter
At the core of every DELTA Pro Ultra system sits this inverter, which pairs with DELTA Pro Ultra Batteries. It is for electricians and homeowners building or expanding a DELTA Pro Ultra setup.
$2,239.20

EcoFlow
EcoFlow DELTA Pro Ultra Whole-Home Backup Power - Special
Listed as a special, this DELTA Pro Ultra Whole-Home Backup Power package is aimed at households that want battery backup connected through Smart Home Panel 2. Smart Home Panel 2 must be fitted before use.
$3,714.40

EcoFlow
EcoFlow DELTA Pro Ultra Whole-Home Backup Power (UL 9540 Certificated)
EcoFlow states this DELTA Pro Ultra system is certified to both UL1973 and UL9540. It is built for homeowners who want whole-home backup, including central AC, from a battery system that can scale up over time.
$3,039.20

EcoFlow
EcoFlow DELTA Pro Ultra X Inverter
Designed for the DELTA Pro Ultra X system, this inverter provides 12kW and can be combined with up to two more for 36kW. It is for homeowners and electricians building a high-output whole-home backup system.
$3,039.20

EcoFlow
EcoFlow DELTA Pro Ultra X Whole-Home Backup Power
The DELTA Pro Ultra X Whole-Home Backup Power system scales from 12kW to 36kW of output and from 12kWh to 180kWh of capacity. It is for homeowners planning a large, expandable battery backup with automatic switchover.
$450.00

EcoFlow
EcoFlow Power Kits
Built around the EcoFlow Power Hub, Power Kits are a 48V modular power system for RVs, vans, and off-grid builds. The plug-and-play design makes it easier to expand and customise the kit.
$4,874.25

EcoFlow
EcoFlow Power Kits Power Hub
At the heart of EcoFlow Power Kits, the Power Hub combines five components in one unit with a 3600W AC output. It is aimed at RV, van, and off-grid builders.
$2,398.40

EcoFlow
Power Hub 5kVA with Cable Pack
The Power Hub 5kVA with Cable Pack is part of EcoFlow's Power Hub range. This listing includes a cable pack alongside the 5kVA unit.
$2,799.20

EcoFlow
Power Kits 5kVA 48V Power System
EcoFlow's Power Kits 5kVA 48V system is a large off-grid power setup with 45kWh of capacity. Its 5kVA output can run two 13500 BTU rooftop air conditioners at once.
$5,623.50

EG4
EG4 | 12000XP Off-Grid Inverter | V2 | USA Built
Homes, cabins, and remote properties running entirely off the grid need an inverter that can take a large solar array. The EG4 12000XP V2 is a split-phase off-grid inverter that accepts up to 24 kW of PV input without a combiner box.
$1,519.99

EG4
EG4 | 12kPV Hybrid Inverter
For rural and suburban homeowners, the EG4 12kPV is a 48V split-phase hybrid inverter that works off-grid, grid-tied with battery backup, or with a generator. It shares its architecture and firmware with the EG4 18kPV.
$2,399.99

EG4
EG4 | 18kPV Hybrid Inverter
Designed for whole-home backup, the EG4 18kPV hybrid inverter works grid-tied, grid-assist, or fully off-grid. It delivers 12,000W of continuous output with up to 21,000W of recommended solar input.
$3,199.99

EG4
EG4 | 6000XP Off-Grid Inverter
Garages, sheds, cabins, and homesteads often need a single box that handles inversion, charging, and solar control. The EG4 6000XP combines all three and offers 120/240V split-phase output from one unit.
$1,199.99

EG4
EG4 12000XP 48V Split Phase Off-Grid Inverter, 12kW AC Output, 24kW Utilized Solar Input, UL 1741 & UL 9540 Solar Inverter
Large loads like shop saws, lathes, and EV chargers are where the EG4 12000XP earns its place. This 48V off-grid inverter delivers 12kW of 120/240V output and supports up to 50A per leg continuously.
$1,519.99

EG4
EG4 12kPV 48V 8kW Hybrid All-in-One Inverter, 12kW Solar Input, NEMA 4X, UL 1741 & UL 9540 Solar Inverter
Separate charge controllers, transformers, and battery monitors are replaced by one device in the EG4 12kPV. This 48V hybrid inverter delivers 8kW and accepts 12kW of solar input for grid-tied, off-grid, or hybrid systems.
$2,359.99

EG4
EG4 18kPV 48V All-in-One Hybrid Inverter, 12kW AC Output, 18kW PV Input, UL 1741 & UL 9540 Solar Inverter
With 18kW of solar input and up to 12kW of output, the EG4 18kPV hybrid inverter supplies more power than most homes need. It works for fully off-grid systems and grid-tied systems with sell-back.
$3,199.99

EG4
EG4 3000EHV 48V Off-Grid Inverter, Charger & 500V MPPT Controller, 3kW 120V AC Output, 5kW Solar Input
Beginners and scalable systems are the target for the EG4 3000EHV, a 48V pure sine wave off-grid inverter with a charger and 500V MPPT controller. It outputs up to 3kW continuously and takes up to 5kW of solar.
$594.99

EG4
EG4 6000XP 48V 6kW Off-Grid All-in-One Inverter/Charger, 6kW Split-Phase AC Output, 8kW Solar Input, UL 1741 & UL 9540 Solar Inverter
Standalone and off-grid applications are the focus of the EG4 6000XP, a split-phase, all-in-one pure sine wave inverter with a 115A battery charger. It delivers 6kW of 120/240Vac power and accepts up to 8kW of PV input.
$1,159.99

EG4
EG4 FlexBOSS18 13kW AC Hybrid Inverter
Installers and DIY builders get a 48V split-phase hybrid inverter in the EG4 FlexBOSS18. It offers 13kW continuous output with PV, 18kW of solar input, and 10kW battery-only output.
$2,559.99

EG4
EG4 FlexBOSS18 48V Hybrid All-In-One Inverter, 10kW AC Output, 18kW Solar Input, NEMA 4X, UL 1741 & UL 9540
Blending grid, solar, and batteries, the EG4 FlexBOSS18 is an all-in-one 120/240V hybrid inverter for a 48V bank. Continuous AC output is 10kW, rising to 13kW when solar is present.
$2,479.99

EG4
EG4 FlexBOSS21 16kW AC Hybrid Inverter
Powerful enough to start a 5-ton AC unit, the EG4 FlexBOSS21 (V 1.1) is a 48V split-phase hybrid inverter/charger. It supports 21kW of PV input across three MPPTs.
$2,879.99

EG4
EG4 FlexBOSS21 48V Hybrid All-in-One Inverter, 12kW-16kW AC Output, UL 1741 & UL 9540 Solar Inverter
Off-grid systems cost less with the EG4 FlexBOSS21, which trades a larger transfer switch for more output than the 18kPV. It is an all-in-one 120/240V hybrid inverter for 48V banks with 12kW continuous output, rising to 16kW with solar.
$2,879.99

Fortress Power
Fortress Power Envy 10kW 48V All-in-One Hybrid Inverter, 15kW Solar Input, Dual MPPT, 60A AC Passthrough, Built-In Rapid Shutdown, IP65, UL 1741
The Fortress Power Envy 10kW is an all-in-one hybrid inverter combining a solar inverter, 210A battery charger, and transfer switch in an IP65 enclosure. It provides 10,000W of continuous split-phase 120/240Vac output for grid-tied or off-grid homes, and it is the higher-output option over the 8kW model.
$3,055.20

Fortress Power
Fortress Power Envy 8kW 48V All-in-One Hybrid Inverter, 13kW Solar Input, Dual MPPT, 60A AC Passthrough, Built-In Rapid Shutdown, IP65, UL 1741
As the entry-level model in the Fortress Power Envy line, the Envy 8kW combines a solar inverter, 167A battery charger, and transfer switch in an IP65 enclosure. It provides 8,000W of continuous split-phase 120/240Vac output for grid-tied or off-grid operation.
$2,839.20

Fortress Power
Fortress Power Envy True 12kW 48V All-in-One Hybrid Inverter, 21kW Solar Input, 3 MPPTs, 200A AC Passthrough, Built-In Rapid Shutdown, IP65, UL 1741
Built for whole-home coverage, the Envy True 12kW is the top all-in-one hybrid inverter from Fortress Power. It combines a solar inverter, a 250A battery charger and a 200A transfer switch in one NEMA 4X / IP65 enclosure, with 12,000W of continuous split-phase 120/240Vac output. It suits homeowners and installers who want backup for the entire service rather than a critical loads subpanel.
$3,918.40

Fortress Power
Fortress Power Solo 6.5K 48V Non-Export Hybrid Inverter, 6.5kW Split/Single-Phase, Dual MPPT 10kW Solar Input, 140A Battery Charger, UL 1741
For systems where grid export is not required or not permitted, the Fortress Power Solo 6.5K is a 48V non-export hybrid inverter with 6,500W of continuous split-phase 120/240Vac output. It brings a 140A solar charge controller, dual MPPT inputs and grid or generator input together in one compact unit. Homeowners and installers building self-consumption or off-grid systems will find it a straightforward all-in-one option.
$1,239.20

GoodWe
GoodWe 11.4kW Hybrid Inverter
Homeowners looking to cut utility bills and protect against outages can build around this GoodWe ES-US 11.4kW split-phase hybrid inverter. Up to 4 MPPTs and 150% DC oversizing help it get the most from complex rooftops. Paired with the GoodWe ABD Automatic Backup Device, it supports whole-home backup.
$1,811.50
