Ships to all 50 states + United Kingdom, Canada, Australia & FranceFree shipping · 1-day handling · 2–7 days after dispatchCustomer supportBuild a guided starting point

Brand

EG4

We list 48 EG4 products: whole-home backup (13), batteries (18), solar panels (1), home integration (5), accessories (11). Shipping is free to the United States, United Kingdom, Canada, Australia, and France. Orders are handled within 1 business day and usually arrive 2–7 business days after dispatch.

EG4

All 48 products

All brands
EG4 | 12000XP Off-Grid Inverter | V2 | USA Built

Whole-home backup

In stock

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

View details
EG4 | 12kPV Hybrid Inverter

Whole-home backup

In stock

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

View details
EG4 | 18kPV Hybrid Inverter

Whole-home backup

In stock

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

View details
EG4 | 6000XP Off-Grid Inverter

Whole-home backup

In stock

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

View details
EG4 12000XP 48V Split Phase Off-Grid Inverter, 12kW AC Output, 24kW Utilized Solar Input, UL 1741 & UL 9540 Solar Inverter

Whole-home backup

In stock

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

View details
EG4 12kPV 48V 8kW Hybrid All-in-One Inverter, 12kW Solar Input, NEMA 4X, UL 1741 & UL 9540 Solar Inverter

Whole-home backup

In stock

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

View details
EG4 18kPV 48V All-in-One Hybrid Inverter, 12kW AC Output, 18kW PV Input, UL 1741 & UL 9540 Solar Inverter

Whole-home backup

In stock

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

View details
EG4 3000EHV 48V Off-Grid Inverter, Charger & 500V MPPT Controller, 3kW 120V AC Output, 5kW Solar Input

Whole-home backup

In stock

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

View details
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

Whole-home backup

In stock

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

View details
EG4 FlexBOSS18 13kW AC Hybrid Inverter

Whole-home backup

In stock

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

View details
EG4 FlexBOSS18 48V Hybrid All-In-One Inverter, 10kW AC Output, 18kW Solar Input, NEMA 4X, UL 1741 & UL 9540

Whole-home backup

In stock

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

View details
EG4 FlexBOSS21 16kW AC Hybrid Inverter

Whole-home backup

In stock

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

View details
EG4 FlexBOSS21 48V Hybrid All-in-One Inverter, 12kW-16kW AC Output, UL 1741 & UL 9540 Solar Inverter

Whole-home backup

In stock

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

View details
EG4 | AllWeather WallMount Battery | 48V 314Ah | 16kWh

Batteries

In stock

EG4

EG4 | AllWeather WallMount Battery | 48V 314Ah | 16kWh

Outdoor installations call for a battery that can handle weather. The EG4 AllWeather WallMount stores 16kWh (314Ah) in an IP67-rated enclosure built with lithium iron phosphate cells.

$2,999.99

View details
EG4 | Indoor WallMount Battery | 48V 314Ah | 16kWh

Batteries

In stock

EG4

EG4 | Indoor WallMount Battery | 48V 314Ah | 16kWh

Space-saving storage for indoor installs is the focus of this EG4 WallMount battery. It holds 16 kWh at 314 Ah and mounts on a wall or the floor.

$2,719.99

View details
EG4 | LifePower4 V2 Lithium Battery | 48V 100AH | Server Rack Battery

Batteries

In stock

EG4

EG4 | LifePower4 V2 Lithium Battery | 48V 100AH | Server Rack Battery

Server rack batteries let a storage bank grow one unit at a time. The EG4 LifePower4 V2 is a 48V, 100Ah LiFePO4 battery delivering 5.12 kWh, with improved communication and safety features over the original model.

$1,176.79

View details
EG4 | WallMount All Weather Lithium Battery | 48V 280Ah | 14.3kWh

Batteries

In stock

EG4

EG4 | WallMount All Weather Lithium Battery | 48V 280Ah | 14.3kWh

Rated for outdoor installation in any climate, this EG4 WallMount battery stores 14.3kWh at 48V and 280Ah. Its IP65 enclosure and weather-rated quick connectors suit homes and commercial sites alike.

$2,499.99

View details
EG4 48V 15.36kWh LL-S Fully Loaded LiFePO4 Server Rack Battery Bundle

Batteries

In stock

EG4

EG4 48V 15.36kWh LL-S Fully Loaded LiFePO4 Server Rack Battery Bundle

This bundle is the 15.36kWh LL-S version: EG4 LiFePO4 server rack batteries filling a 3-slot rack. It is meant for systems that need a movable battery bank.

$3,788.22

View details
EG4 48V 30.72kWh LifePower4 V2 Fully Loaded LiFePO4 Server Rack Battery Bundle

Batteries

In stock

EG4

EG4 48V 30.72kWh LifePower4 V2 Fully Loaded LiFePO4 Server Rack Battery Bundle

In this 30.72kWh bundle, EG4 LifePower4 V2 batteries fill a 6-slot server rack. It is the LifePower4 version of the fully loaded 6-slot kit.

$7,166.95

View details
EG4 48V 30.72kWh LL-S Fully Loaded LiFePO4 Server Rack Battery Bundle

Batteries

In stock

EG4

EG4 48V 30.72kWh LL-S Fully Loaded LiFePO4 Server Rack Battery Bundle

This is the LL-S version of EG4's fully loaded 6-slot bundle, with 30.72kWh of LiFePO4 server rack batteries. It suits systems that need a movable battery rack.

$7,463.95

View details
EG4 48V Battery Starter Kit, Choose Between LL-S or LifePower4 and Server Rack of Choice, Up to 30.72kWh of Battery Power

Batteries

In stock

EG4

EG4 48V Battery Starter Kit, Choose Between LL-S or LifePower4 and Server Rack of Choice, Up to 30.72kWh of Battery Power

Planning for expansion is the point of the EG4 48V Battery Starter Kit. You choose LL-S or LifePower4 batteries, the quantity, and either a 3-slot or 6-slot rack, up to 30.72kWh.

$1,588.73

View details
EG4 6-Slot Enclosed Battery Rack for Server Rack Batteries, Welded & Pre-Assembled Battery Storage

Batteries

In stock

EG4

EG4 6-Slot Enclosed Battery Rack for Server Rack Batteries, Welded & Pre-Assembled Battery Storage

Six server rack batteries fit in this single freestanding EG4 steel cabinet, which comes fully welded and pre-assembled. At 24 x 26 x 46 inches it fits a garage, utility closet, or mechanical room.

$620.49

View details
EG4 BOSSBox Cable Kit, Battery to Inverter Communication and Power Cables for EG4 WallMount 280Ah Lithium Batteries

Batteries

In stock

EG4

EG4 BOSSBox Cable Kit, Battery to Inverter Communication and Power Cables for EG4 WallMount 280Ah Lithium Batteries

This is the EG4 BOSSBox Cable Kit, the power and communication cables that connect EG4 WallMount 280Ah batteries inside a BOSSBox enclosure to an EG4 hybrid inverter. Factory-specified lengths remove guesswork.

$404.99

View details
EG4 Electronics 48V WallMount 314Ah Indoor Battery, 16kWh Lithium Battery Storage for Residential Energy Systems, UL 1973

Batteries

In stock

EG4

EG4 Electronics 48V WallMount 314Ah Indoor Battery, 16kWh Lithium Battery Storage for Residential Energy Systems, UL 1973

Up to 16kWh of backup power comes from each EG4 314Ah Indoor WallMount battery, in off-grid or grid-tied systems. It is designed around EG4's FlexBOSS 21 and 18kPV inverters.

$2,719.99

View details
EG4 Electronics WallMount 314Ah Outdoor AllWeather Battery, 16kWh Lithium Battery for Residential and Commercial Systems, UL 1973 and UL 9540

Batteries

In stock

EG4

EG4 Electronics WallMount 314Ah Outdoor AllWeather Battery, 16kWh Lithium Battery for Residential and Commercial Systems, UL 1973 and UL 9540

Sealed to IP67, this EG4 WallMount 314Ah AllWeather battery stores 16kWh nominal and works indoors or outdoors. It suits off-grid cabins, homes, and commercial installations.

$2,999.99

View details
EG4 Indoor WallMount 48V 14.34kWh 280Ah LiFePO4 Battery, UL 9540 Lithium Battery

Batteries

In stock

EG4

EG4 Indoor WallMount 48V 14.34kWh 280Ah LiFePO4 Battery, UL 9540 Lithium Battery

Small off-grid systems and grid-tied home backup both suit the EG4 Indoor WallMount 280Ah LiFePO4 battery, which stores 14.3kWh at 48V. Additional batteries can be paralleled for commercial or industrial systems.

$2,487.99

View details
EG4 LifePower4 V2 24V 200Ah 5.12kWh LiFePO4 Server Rack Battery, Residential Lithium Battery

Batteries

In stock

EG4

EG4 LifePower4 V2 24V 200Ah 5.12kWh LiFePO4 Server Rack Battery, Residential Lithium Battery

This is the 24V version of the EG4 LifePower4 V2, a 200Ah, 5.12kWh LiFePO4 server rack battery for residential installations. It has a 3.5U design with flexible racking options.

$1,079.99

View details
EG4 LifePower4 V2 48V 100Ah 5.12kWh LiFePO4 Server Rack Battery, UL 1973 & UL 9540A Lithium Battery

Batteries

In stock

EG4

EG4 LifePower4 V2 48V 100Ah 5.12kWh LiFePO4 Server Rack Battery, UL 1973 & UL 9540A Lithium Battery

Built in the standard 19-inch server rack format, the EG4 LifePower4 V2 is a 48V 100Ah LiFePO4 battery storing 5.12kWh for residential and off-grid energy storage. It carries UL 1973 and UL 9540A listings, which are increasingly required for permitted installations in the US and Canada.

$1,176.79

View details
EG4 LL-S V2 48V 100Ah 5.12kWh LiFePO4 Server Rack Battery, UL 1973 and UL 9540A Listed

Batteries

In stock

EG4

EG4 LL-S V2 48V 100Ah 5.12kWh LiFePO4 Server Rack Battery, UL 1973 and UL 9540A Listed

Sixteen UL Listed prismatic 3.2V cells make up the EG4 LL-S V2, a 48V 100Ah server rack battery holding 5.12kWh. It suits homeowners and installers who want a plug-and-play LiFePO4 storage block with closed-loop inverter communication, and it is UL 1973 and UL 9540A listed.

$1,626.22

View details
EG4 Outdoor WallMount 48V 14.34kWh 280Ah All Weather LiFePO4 Battery, Heated IP65 UL 9540 Lithium Battery

Batteries

In stock

EG4

EG4 Outdoor WallMount 48V 14.34kWh 280Ah All Weather LiFePO4 Battery, Heated IP65 UL 9540 Lithium Battery

Designed for outdoor walls, this EG4 all-weather battery stores 14.34kWh at 48V 280Ah in a heated, IP65 LiFePO4 package. It can run small off-grid systems, maintain a battery bank, or back up a grid-tied home, and more units can be paralleled for larger systems.

$2,499.99

View details
EG4 WallMount Indoor Battery | 48V 280Ah | 14.3kWh

Batteries

In stock

EG4

EG4 WallMount Indoor Battery | 48V 280Ah | 14.3kWh

Meant for indoor wall mounting, this EG4 battery combines 48V and 280Ah of lithium iron phosphate storage for 14.3kWh of capacity. Self-heating, dual fire arrestors, and closed-loop inverter communication make it a fit for whole-home or partial-load storage.

$2,160.00

View details
EG4 Solar Charge Controller MPPT | 500VDC 100A | MPPT100-48HV

Solar panels

In stock

EG4

EG4 Solar Charge Controller MPPT | 500VDC 100A | MPPT100-48HV

For 48V battery banks, the EG4 MPPT100-48HV converts high-voltage solar input into the steady voltage needed for safe charging. It accepts up to 500VDC of PV input and provides up to 100A of charge current, a practical way to add solar capacity to a system.

$404.99

View details
EG4 | Chargeverter Plus

Home integration

In stock

EG4

EG4 | Chargeverter Plus

When solar production drops, a generator can keep the battery bank topped up. The EG4 Chargeverter Plus is an AC-to-DC charger that sits between the generator and a 48V lithium bank, regulating incoming power.

$531.24

View details
EG4 Electronics Chargeverter Plus, 48V 100A Outdoor Rated Lithium Battery Charger, 120/208/240Vac Input, IP54

Home integration

In stock

EG4

EG4 Electronics Chargeverter Plus, 48V 100A Outdoor Rated Lithium Battery Charger, 120/208/240Vac Input, IP54

Rated IP54 for sheltered outdoor use, the EG4 Chargeverter Plus is a 48V, 100A battery charger that accepts 120, 208, or 240Vac. It outputs up to 5.12kW at 240Vac for on-grid and off-grid storage systems.

$531.24

View details
EG4 Electronics Chargeverter-GC 48V 100A Battery Charger for LiFePO4 Batteries, 240V or 120V Input with AGS and Built-in Breaker

Home integration

In stock

EG4

EG4 Electronics Chargeverter-GC 48V 100A Battery Charger for LiFePO4 Batteries, 240V or 120V Input with AGS and Built-in Breaker

Bypassing the inverter entirely, the EG4 Chargeverter-GC converts AC from a generator or grid connection straight into DC for a 48V LiFePO4 bank. It delivers up to 100A of charging current and includes AGS and a built-in breaker.

$450.49

View details
EG4 GridBOSS Microgrid Interconnect Device (MID), Critical and Non-Critical Loads Ports with Smart Loads and Remote Monitoring, 200A Grid Bypass

Home integration

In stock

EG4

EG4 GridBOSS Microgrid Interconnect Device (MID), Critical and Non-Critical Loads Ports with Smart Loads and Remote Monitoring, 200A Grid Bypass

A microgrid interconnect device acts as the central hub of a solar and storage system. The EG4 GridBOSS connects grid power, hybrid inverters, generators, and smart loads, with a 200A transfer switch.

$1,439.99

View details
EG4 GridBOSS MID v3.1 | 200A Service Entrance

Home integration

In stock

EG4

EG4 GridBOSS MID v3.1 | 200A Service Entrance

Combining several components into one unit, the EG4 GridBOSS MID v3.1 is a 200A microgrid interconnect device for solar and backup installations. It connects up to three hybrid inverters and a generator.

$1,439.99

View details
EG4 | Hybrid Solar Window Unit | 12000 BTU

Accessories

In stock

EG4

EG4 | Hybrid Solar Window Unit | 12000 BTU

Cooling a room with sunshine is the idea behind this 12,000 BTU window unit from EG4. It combines standard AC power with direct solar input and prioritizes solar automatically to reduce grid use.

$764.99

View details
EG4 12K BTU High Efficiency Mini-Split Air Conditioner

Accessories

In stock

EG4

EG4 12K BTU High Efficiency Mini-Split Air Conditioner

Medium-sized rooms and offices get both heating and cooling from this EG4 12K BTU mini-split. Plug-and-Cool Technology uses a pre-vacuumed, quick-connect line set, so no vacuum pump is needed.

$1,039.99

View details
EG4 24k Hybrid Mini Split V1

Accessories

In stock

EG4

EG4 24k Hybrid Mini Split V1

Heating and cooling up to 1,000 sq. ft. with solar, grid power, or both is what the EG4 24K Hybrid Mini Split is built for. It switches power sources automatically without interruption.

$1,679.99

View details
EG4 24K Hybrid Multizone Mini-Split | Outdoor unit

Accessories

In stock

EG4

EG4 24K Hybrid Multizone Mini-Split | Outdoor unit

One outdoor unit can serve up to three rooms with the EG4 24K Hybrid Multizone Mini-Split. It runs on solar, grid, or both, prioritizing solar when it is producing.

$1,279.99

View details
EG4 3-Slot Enclosed Battery Rack for Server Rack Batteries, Welded & Pre-Assembled Battery Storage

Accessories

In stock

EG4

EG4 3-Slot Enclosed Battery Rack for Server Rack Batteries, Welded & Pre-Assembled Battery Storage

Starter battery systems and tight mechanical rooms suit the EG4 3-slot enclosed rack, the smaller counterpart to the 6-slot cabinet. At 26.5 inches tall (29.6 inches with casters), it fits under workbenches and in closets.

$395.99

View details
EG4 36K Hybrid Multizone Mini-Split | Outdoor Unit

Accessories

In stock

EG4

EG4 36K Hybrid Multizone Mini-Split | Outdoor Unit

Four zones from a single outdoor unit is the step up the EG4 36K Hybrid Multizone Mini-Split offers. It runs on solar, grid, or both and prioritizes solar energy when it is present.

$1,679.99

View details
EG4 9K BTU High Efficiency Mini-Split Air Conditioner

Accessories

In stock

EG4

EG4 9K BTU High Efficiency Mini-Split Air Conditioner

Bedrooms, offices, and studios get quiet year-round comfort from the EG4 9K BTU mini-split. It carries a SEER2 rating of 25 and installs with a pre-vacuumed, quick-connect line set.

$959.99

View details
EG4 Chargeverter - GC | 48V 100A Battery Charger 5120W Output

Accessories

In stock

EG4

EG4 Chargeverter - GC | 48V 100A Battery Charger 5120W Output

Generator charging without inverter trouble is what the EG4 Chargeverter GC provides. This 48V, 100A AC charger outputs up to 5120W and accepts 240V or 120V input.

$450.49

View details
EG4 Enclosed Battery Rack | 3 Slot | Wheels Included

Accessories

In stock

EG4

EG4 Enclosed Battery Rack | 3 Slot | Wheels Included

Listed with wheels included, this EG4 3-slot enclosed battery rack arrives fully assembled and ready to roll. A hinged, lockable door gives easy access while helping prevent tampering or theft.

$395.99

View details
EG4 Enclosed Battery Rack | 6 Slot| Bus Bar Covers | Welded (Grey)

Accessories

In stock

EG4

EG4 Enclosed Battery Rack | 6 Slot| Bus Bar Covers | Welded (Grey)

This listing is the welded 6-slot EG4 enclosed battery rack with bus bar covers. It arrives assembled with casters, and the hinged door locks to deter tampering.

$620.49

View details
EG4 Line Set Pre-Charged 26 ft. 1/2 in. | R32 | 18k & 24k Indoor Unit | 24k AC/DC Single Zone

Accessories

In stock

EG4

EG4 Line Set Pre-Charged 26 ft. 1/2 in. | R32 | 18k & 24k Indoor Unit | 24k AC/DC Single Zone

This 26 ft. pre-charged line set connects 18K and 24K BTU indoor head units in a mini-split system. It comes filled with R32 refrigerant, so installers and DIY-minded homeowners can skip vacuuming and manual charging.

$185.39

View details
WhatsApp chat