Skip to content
Reviews

EG4: Inverters, Batteries, Battery Racks, & More

Explore the EG4 Collection, featuring high-performance hybrid solar inverters, LiFePO₄ lithium batteries, battery racks, and more designed for home backup, off-grid systems, and commercial use. EG4 is known for its reliable and scalable power solutions, including advanced inverters like the 6000XP, 12kPV, and 18kPV—offering split-phase 120/240V output, fast transfer switching, and seamless solar + battery integration. Their lithium batteries, such as the LifePower4, PowerPro, and LL-S models, provide high cycle life, smart BMS protection, and modular expandability. Pair them with EG4’s steel battery racks for a clean, secure, and UL-compliant installation.

Build your EG4 energy system—shop the full collection today!

Filters

  • EG4 6000XP Off - Grid Inverter | 6000W Output | 8000W PV Input | 48V Split Phase Hybrid Solar Inverter - Off Grid Stores
    Save $300.00 Save $0.00
    $1,799.99
    $1,799.99 - $1,799.99
    $1,799.99
    $1,499.99
    $1,499.99 - $1,499.99
    $1,499.99

    EG4 6000XP Off-Grid Inverter | 6000W Output | 8000W PV Input | 48V Split Phase Hybrid Solar Inverter

    EG4
    In stock

    EG4 6000XP Off-Grid Inverter | 8000W PV Input | 6000W Output | 480V VOC Input | 48V 120/240V Split Phase | All-In-One Solar Inverter The EG4 ...

    View full details
    $1,799.99
    $1,799.99 - $1,799.99
    $1,799.99
    $1,499.99
    $1,499.99 - $1,499.99
    $1,499.99
    Save $300.00 Save $0.00
  • EG4 WallMount Indoor Batteries | 48V 314Ah | 16kWh | UL9540A | Self - Heating - Off Grid Stores
    Save up to $4,760.00 Save $0.00
    $4,213.99
    $4,213.99 - $23,799.99
    $4,213.99
    $3,511.99
    $3,511.99 - $19,039.99
    $3,511.99

    EG4 WallMount Indoor Batteries | 48V 314Ah | 16kWh | UL9540A | Self-Heating

    EG4
    In stock

    High-Capacity Storage with Everyday Reliability The EG4 WallMount 314Ah Indoor Battery delivers dependable whole-home backup and efficient energy...

    View full details
    $4,213.99
    $4,213.99 - $23,799.99
    $4,213.99
    $3,511.99
    $3,511.99 - $19,039.99
    $3,511.99
    Save up to $4,760.00 Save $0.00
  • EG4 FlexBOSS21 AC Hybrid Inverter | 16,000W Output | 21,000W PV Input | 48V Split Phase Inverter - Off Grid Stores
    Save $720.00 Save $0.00
    $4,319.99
    $4,319.99 - $4,319.99
    $4,319.99
    $3,599.99
    $3,599.99 - $3,599.99
    $3,599.99

    EG4 FlexBOSS21 AC Hybrid Inverter | 16,000W Output | 21,000W PV Input | 48V Split Phase Inverter

    EG4
    In stock

    EG4 FlexBOSS21 (V1.1) Hybrid Inverter | 48V Split Phase | 21kW PV Input Versatile and Powerful Hybrid Inverter The EG4 FlexBOSS21 (V1.1) is a ver...

    View full details
    $4,319.99
    $4,319.99 - $4,319.99
    $4,319.99
    $3,599.99
    $3,599.99 - $3,599.99
    $3,599.99
    Save $720.00 Save $0.00
  • EG4 GridBOSS MID v3.1 Microgrid Interconnect Device | 200A Service Entrance - Off Grid Stores
    Save $386.00 Save $0.00
    $2,314.99
    $2,314.99 - $2,314.99
    $2,314.99
    $1,928.99
    $1,928.99 - $1,928.99
    $1,928.99

    EG4 GridBOSS MID v3.1 Microgrid Interconnect Device | 200A Service Entrance

    EG4
    In stock

    EG4 GridBOSS MID | 200A Microgrid Interconnect Device The EG4 GridBOSS MID sets a new standard in microgrid interconnection. Designed to streamline...

    View full details
    $2,314.99
    $2,314.99 - $2,314.99
    $2,314.99
    $1,928.99
    $1,928.99 - $1,928.99
    $1,928.99
    Save $386.00 Save $0.00
  • EG4 PowerPro WallMount All Weather LiFePO4 Batteries | 48V 280Ah (14.3kWh) | Heated, UL1973, UL9540A - Off Grid Stores
    Save up to $4,484.25 Save $0.00
    $3,910.99
    $3,910.99 - $22,421.24
    $3,910.99
    $3,258.99
    $3,258.99 - $17,936.99
    $3,258.99

    EG4 PowerPro WallMount All Weather LiFePO4 Batteries | 48V 280Ah (14.3kWh) | Heated, UL1973, UL9540A

    EG4
    In stock

    EG4 WallMount All Weather Lithium Battery | 48V 280Ah | 14.3kWh LiFePO4 | All-Weather Energy Storage  The EG4 14.3kWh PowerPro WallMount Batte...

    View full details
    $3,910.99
    $3,910.99 - $22,421.24
    $3,910.99
    $3,258.99
    $3,258.99 - $17,936.99
    $3,258.99
    Save up to $4,484.25 Save $0.00
  • EG4 12kPV Hybrid Inverter | 8000W Output | 12000W PV Input | 48V Split Phase Inverter - Off Grid Stores
    Save $600.00 Save $0.00
    $3,599.99
    $3,599.99 - $3,599.99
    $3,599.99
    $2,999.99
    $2,999.99 - $2,999.99
    $2,999.99

    EG4 12kPV Hybrid Inverter | 8000W Output | 12000W PV Input | 48V Split Phase Inverter

    EG4
    In stock

    EG4 12kPV Hybrid Inverter: The Ultimate Power Solution for Rural and Suburban Homeowners Introducing the EG4 12kPV Hybrid Inverter, a pinnacl...

    View full details
    $3,599.99
    $3,599.99 - $3,599.99
    $3,599.99
    $2,999.99
    $2,999.99 - $2,999.99
    $2,999.99
    Save $600.00 Save $0.00
  • EG4 AllWeather WallMount LiFePO4 Batteries | 48V 314Ah (16kWh) | UL1973, UL9540, Heated - Off Grid Stores
    Save up to $5,250.00 Save $0.00
    $4,603.99
    $4,603.99 - $26,249.99
    $4,603.99
    $3,836.99
    $3,836.99 - $20,999.99
    $3,836.99

    EG4 AllWeather WallMount LiFePO4 Batteries | 48V 314Ah (16kWh) | UL1973, UL9540, Heated

    EG4
    In stock

    Smarter Energy Storage. Bigger Capacity. Built for Outdoors. The EG4 WallMount 314Ah AllWeather Battery delivers powerful, dependable energy sto...

    View full details
    $4,603.99
    $4,603.99 - $26,249.99
    $4,603.99
    $3,836.99
    $3,836.99 - $20,999.99
    $3,836.99
    Save up to $5,250.00 Save $0.00
  • EG4 Chargeverter Plus - Off Grid Stores
    Save $136.00 Save $0.00
    $813.99
    $813.99 - $813.99
    $813.99
    $677.99
    $677.99 - $677.99
    $677.99

    EG4 Chargeverter Plus

    EG4
    In stock

    When Solar Stops, EG4 Chargeverter Plus Keeps You Powered The EG4 Chargeverter Plus is a powerful AC-to-DC battery charger designed to make genera...

    View full details
    $813.99
    $813.99 - $813.99
    $813.99
    $677.99
    $677.99 - $677.99
    $677.99
    Save $136.00 Save $0.00
  • EG4 18kPV Hybrid Inverter | 12,000W Output | 18,000W PV Input | 48V Split Phase Inverter - Off Grid Stores
    Save $819.00 Save $0.00
    $4,911.99
    $4,911.99 - $4,911.99
    $4,911.99
    $4,092.99
    $4,092.99 - $4,092.99
    $4,092.99

    EG4 18kPV Hybrid Inverter | 12,000W Output | 18,000W PV Input | 48V Split Phase Inverter

    EG4
    In stock

    EG4 18kPV Hybrid Inverter | EG4-18kPV-12LV | 48V Split Phase 120/240VAC | UL1741, CEC Introducing the EG4 18kPV All-In-One Hybrid Inverter -...

    View full details
    $4,911.99
    $4,911.99 - $4,911.99
    $4,911.99
    $4,092.99
    $4,092.99 - $4,092.99
    $4,092.99
    Save $819.00 Save $0.00
  • EG4 FlexBOSS18 AC Hybrid Inverter | 13000W Output | 18000W PV Input | 48V Split Phase Hybrid Solar Inverter - Off Grid Stores
    Save $642.00 Save $0.00
    $3,850.99
    $3,850.99 - $3,850.99
    $3,850.99
    $3,208.99
    $3,208.99 - $3,208.99
    $3,208.99

    EG4 FlexBOSS18 AC Hybrid Inverter | 13000W Output | 18000W PV Input | 48V Split Phase Hybrid Solar Inverter

    EG4
    In stock

    EG4 FlexBOSS18 Hybrid Inverter | 48V Split Phase | 18kW PV Input The EG4 FlexBOSS18 Hybrid Inverter delivers professional-grade performance at ...

    View full details
    $3,850.99
    $3,850.99 - $3,850.99
    $3,850.99
    $3,208.99
    $3,208.99 - $3,208.99
    $3,208.99
    Save $642.00 Save $0.00
  • EG4 6 Slot Enclosed Battery Rack - Off Grid Stores
    Save $215.00 Save $0.00
    $1,287.99
    $1,287.99 - $1,287.99
    $1,287.99
    $1,072.99
    $1,072.99 - $1,072.99
    $1,072.99

    EG4 6 Slot Enclosed Battery Rack

    EG4
    In stock

    EG4 Storage Solutions 6 Slot Battery Rack, featuring an enclosed cabinet design. The cabinet door swings open on a sturdy hinge, allowing easy acce...

    View full details
    $1,287.99
    $1,287.99 - $1,287.99
    $1,287.99
    $1,072.99
    $1,072.99 - $1,072.99
    $1,072.99
    Save $215.00 Save $0.00
  • EG4 GridBOSS Breaker Kit - Off Grid Stores
    Save $55.00 Save $0.00
    $327.99
    $327.99 - $327.99
    $327.99
    $272.99
    $272.99 - $272.99
    $272.99

    EG4 GridBOSS Breaker Kit

    EG4
    In stock

    The GridBOSS Breaker Kit - 90A is a complete, pre-bundled set of BSB breakers designed specifically for the EG4 GridBOSS v3.1 system. This all-in-o...

    View full details
    $327.99
    $327.99 - $327.99
    $327.99
    $272.99
    $272.99 - $272.99
    $272.99
    Save $55.00 Save $0.00
  • EG4 RS232 Firmware Update Cable - LL - Off Grid Stores
    Save $6.00 Save $0.00
    $37.99
    $37.99 - $37.99
    $37.99
    $31.99
    $31.99 - $31.99
    $31.99

    EG4 RS232 Firmware Update Cable - LL

    EG4
    In stock

    EG4 RS232 Firmware Update Cable - LL   

    $37.99
    $37.99 - $37.99
    $37.99
    $31.99
    $31.99 - $31.99
    $31.99
    Save $6.00 Save $0.00
  • EG4 48V 314Ah WallMount Indoor LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter - Off Grid Stores
    Save up to $8,445.70 Save $0.00
    $9,366.21
    $9,366.21 - $42,228.50
    $9,366.21
    $7,492.97
    $7,492.97 - $33,782.80
    $7,492.97

    EG4 48V 314Ah WallMount Indoor LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter

    EG4
    In stock

    The EG4 314Ah Indoor Battery + EG4 18kPV ESS System delivers intelligent energy management, dependable backup power, and scalable energy independen...

    View full details
    $9,366.21
    $9,366.21 - $42,228.50
    $9,366.21
    $7,492.97
    $7,492.97 - $33,782.80
    $7,492.97
    Save up to $8,445.70 Save $0.00
  • EG4 48V 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter - Off Grid Stores
    Save up to $9,078.70 Save $0.00
    $9,893.71
    $9,893.71 - $45,393.50
    $9,893.71
    $7,914.97
    $7,914.97 - $36,314.80
    $7,914.97

    EG4 48V 314Ah WallMount All-Weather LiFePO4 Battery + 18kPV All-in-One Hybrid Solar Inverter

    EG4
    In stock

    The EG4 314Ah All-Weather Battery + EG4 18kPV ESS System is a high-capacity, rugged energy solution designed for both on-grid and off-grid applicat...

    View full details
    $9,893.71
    $9,893.71 - $45,393.50
    $9,893.71
    $7,914.97
    $7,914.97 - $36,314.80
    $7,914.97
    Save up to $9,078.70 Save $0.00
  • EG4 48V 314Ah Wallmount Indoor LiFePO4 Battery + 12000XP 12,000W 48V Split Phase Off - Grid Inverter - Off Grid Stores
    Save up to $6,880.45 Save $0.00
    $6,741.21
    $6,741.21 - $34,402.25
    $6,741.21
    $5,392.97
    $5,392.97 - $27,521.80
    $5,392.97

    EG4 48V 314Ah Wallmount Indoor LiFePO4 Battery + 12000XP 12,000W 48V Split Phase Off-Grid Inverter

    EG4
    In stock

    Smart power. Simple reliability. Whether you want lower energy costs or more control during outages, the EG4 WallMount 314Ah Indoor Battery deliver...

    View full details
    $6,741.21
    $6,741.21 - $34,402.25
    $6,741.21
    $5,392.97
    $5,392.97 - $27,521.80
    $5,392.97
    Save up to $6,880.45 Save $0.00
  • EG4 48V 314Ah WallMount Indoor LifePO4 Battery + 6000XP 6000W 48V Split Phase Off - Grid Inverter - Off Grid Stores
    Save up to $3,827.22 Save $0.00
    $6,241.21
    $6,241.21 - $19,136.11
    $6,241.21
    $4,992.97
    $4,992.97 - $15,308.89
    $4,992.97

    EG4 48V 314Ah WallMount Indoor LifePO4 Battery + 6000XP 6000W 48V Split Phase Off-Grid Inverter

    EG4
    In stock

    Introducing the Indoor 314Ah Batteries! Smart power. Simple reliability. Whether you want lower energy costs or more control during outages, the EG...

    View full details
    $6,241.21
    $6,241.21 - $19,136.11
    $6,241.21
    $4,992.97
    $4,992.97 - $15,308.89
    $4,992.97
    Save up to $3,827.22 Save $0.00
  • EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + 6000XP 6000W 48V Split Phase Off - Grid Inverter - Off Grid Stores
    Save up to $4,158.72 Save $0.00
    $6,768.71
    $6,768.71 - $20,793.61
    $6,768.71
    $5,414.97
    $5,414.97 - $16,634.89
    $5,414.97

    EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + 6000XP 6000W 48V Split Phase Off-Grid Inverter

    EG4
    In stock

    Introducing the WallMount 314Ah Batteries! EG4 is proud to announce the next generation of our WallMount batteries with our 314Ah Indoor and All We...

    View full details
    $6,768.71
    $6,768.71 - $20,793.61
    $6,768.71
    $5,414.97
    $5,414.97 - $16,634.89
    $5,414.97
    Save up to $4,158.72 Save $0.00
  • EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + 12000XP 12,000W 48V Split Phase Off - Grid Inverter - Off Grid Stores
    Save up to $7,541.20 Save $0.00
    $7,512.45
    $7,512.45 - $37,706.00
    $7,512.45
    $6,009.96
    $6,009.96 - $30,164.80
    $6,009.96

    EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + 12000XP 12,000W 48V Split Phase Off-Grid Inverter

    EG4
    In stock

    Introducing the WallMount 314Ah Batteries! EG4 is proud to announce the next generation of our WallMount batteries with our 314Ah Indoor and All We...

    View full details
    $7,512.45
    $7,512.45 - $37,706.00
    $7,512.45
    $6,009.96
    $6,009.96 - $30,164.80
    $6,009.96
    Save up to $7,541.20 Save $0.00
  • EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + FlexBOSS21 16kW 48V Split Phase AC Hybrid Inverter - Off Grid Stores
    Save up to $8,816.20 Save $0.00
    $9,393.71
    $9,393.71 - $44,081.00
    $9,393.71
    $7,514.97
    $7,514.97 - $35,264.80
    $7,514.97

    EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + FlexBOSS21 16kW 48V Split Phase AC Hybrid Inverter

    EG4
    In stock

    Meet the EG4 WallMount 314Ah AllWeather Battery — a high-capacity, outdoor-ready energy storage unit built for installs where space, weather, and l...

    View full details
    $9,393.71
    $9,393.71 - $44,081.00
    $9,393.71
    $7,514.97
    $7,514.97 - $35,264.80
    $7,514.97
    Save up to $8,816.20 Save $0.00
  • EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + FlexBOSS18 13kW 48V Split Phase AC Hybrid Inverter - Off Grid Stores
    Save up to $8,516.20 Save $0.00
    $8,893.71
    $8,893.71 - $42,581.00
    $8,893.71
    $7,114.97
    $7,114.97 - $34,064.80
    $7,114.97

    EG4 48V 314Ah All Weather WallMount LiFePO4 Battery + FlexBOSS18 13kW 48V Split Phase AC Hybrid Inverter

    EG4
    In stock

    Meet the EG4 WallMount 314Ah AllWeather Battery — a high-capacity, outdoor-ready energy storage unit built for installs where space, weather, and l...

    View full details
    $8,893.71
    $8,893.71 - $42,581.00
    $8,893.71
    $7,114.97
    $7,114.97 - $34,064.80
    $7,114.97
    Save up to $8,516.20 Save $0.00
  • EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 16kW Hybrid Inverter Kits - Off Grid Stores
    Save up to $8,145.70 Save $0.00
    $8,866.21
    $8,866.21 - $40,728.50
    $8,866.21
    $7,092.97
    $7,092.97 - $32,582.80
    $7,092.97

    EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 16kW Hybrid Inverter Kits

    EG4
    In stock

    Introducing The EG4 16kWh WallMount Indoor Battery

    $8,866.21
    $8,866.21 - $40,728.50
    $8,866.21
    $7,092.97
    $7,092.97 - $32,582.80
    $7,092.97
    Save up to $8,145.70 Save $0.00
  • EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS18 13kW Hybrid Inverter Kits - Off Grid Stores
    Save up to $7,845.70 Save $0.00
    $8,366.21
    $8,366.21 - $39,228.50
    $8,366.21
    $6,692.97
    $6,692.97 - $31,382.80
    $6,692.97

    EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS18 13kW Hybrid Inverter Kits

    EG4
    In stock

    Introducing The EG4 16kWh WallMount Indoor Battery

    $8,366.21
    $8,366.21 - $39,228.50
    $8,366.21
    $6,692.97
    $6,692.97 - $31,382.80
    $6,692.97
    Save up to $7,845.70 Save $0.00
  • EG4 3 Slot Enclosed Battery Rack - Off Grid Stores
    Save $154.00 Save $0.00
    $921.99
    $921.99 - $921.99
    $921.99
    $767.99
    $767.99 - $767.99
    $767.99

    EG4 3 Slot Enclosed Battery Rack

    EG4
    In stock

    EG4 Storage Solutions 3 Slot Battery Rack, featuring an enclosed cabinet design. The cabinet door swings open on a sturdy hinge, allowing easy acce...

    View full details
    $921.99
    $921.99 - $921.99
    $921.99
    $767.99
    $767.99 - $767.99
    $767.99
    Save $154.00 Save $0.00
OTP graphic
OTP graphic