Certifications: CEC | UL9540 | UL9540A | UL1973 | UL1741 | UN38.3
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BigBattery ETHOS | 48V – 5.1kWh | UL1973 | Home Battery Backup LFP
Regular price $1,250.00 USDRegular price$1,480.00 USDSale price $1,250.00 USDSale -
BigBatter 48V ETHOS 10.2KWH | UL1973 | UL9540A | Home Battery Backup LFP
Regular price From $2,780.00 USDRegular price$2,860.00 USDSale price From $2,780.00 USDSale -
BigBattery ETHOS +EG4 18k PV (ESS)
Regular price From $7,755.00 USDRegular price$7,758.00 USDSale price From $7,755.00 USDSale -
BigBattery ETHOS + EG4 FLEXBOSS18 ESS
Regular price From $6,055.00 USDRegular price$6,575.00 USDSale price From $6,055.00 USDSale -
BigBattery ETHOS + EG4 FLEXBOSS21 ESS
Regular price From $6,460.00 USDRegular price$7,275.00 USDSale price From $6,460.00 USDSale -
BigBattery ETHOS Expansion Kits
Regular price From $2,790.00 USDRegular priceSale price From $2,790.00 USD -
BigBattery ETHOS Control Box
Regular price $280.00 USDRegular price$530.00 USDSale price $280.00 USDSale -
BigBattery 48V EG4 WALLMOUNT 280Ah All Weather Battery
Regular price From $0.00 USDRegular priceSale price From $0.00 USD -
EG4 280Ah All Weather + 12kPV (ESS)
Regular price From $7,715.00 USDRegular priceSale price From $7,715.00 USD -
EG4 280Ah All Weather + 18kPV (ESS)
Regular price From $8,565.00 USDRegular priceSale price From $8,565.00 USD -
EG4 280Ah All Weather + FLEXBOSS18 (ESS)
Regular price From $6,865.00 USDRegular price$7,135.00 USDSale price From $6,865.00 USDSale -
EG4 280Ah All Weather + FLEXBOSS21 (ESS)
Regular price From $7,265.00 USDRegular price$7,835.00 USDSale price From $7,265.00 USDSale -
EG4 48V WallMount 314Ah All-Weather Battery
Regular price $4,225.99 USDRegular price$4,695.55 USDSale price $4,225.99 USDSale -
EG4 WallMount 314Ah All-Weather Battery + FLEXBOSS18
Regular price From $7,590.00 USDRegular price$7,860.00 USDSale price From $7,590.00 USDSale -
EG4 WallMount 314Ah All-Weather Battery + FLEXBOSS21
Regular price From $7,990.00 USDRegular price$8,560.00 USDSale price From $7,990.00 USDSale -
EG4-WallMount 314Ah Indoor Battery | 48V | 16kWh | UL9540A | Self-Heating
Regular price $3,727.99 USDRegular priceSale price $3,727.99 USD -
EG4 WallMount 314Ah Indoor Battery ESS+ FlexBOSS18 Hybrid Inverter
Regular price From $6,995.00 USDRegular price$7,345.00 USDSale price From $6,995.00 USDSale -
EG4 WallMount 314Ah Indoor Battery ESS+ FlexBOSS21 Hybrid Inverter
Regular price From $7,395.00 USDRegular price$8,045.00 USDSale price From $7,395.00 USDSale -
BigBattery MeterHome 14.3kWh Stackable Home Battery Backup System | LiFePO4
Regular price $4,935.00 USDRegular priceSale price $4,935.00 USD -
BigBattery MeterHome 10kW All-In-One Hybrid Inverter
Regular price $3,015.00 USDRegular priceSale price $3,015.00 USD -
BigBattery MeterHome 14.3kWh Stackable Home Battery Backup System | 10kW Output | Solar, Grid & Generator Compatible | LiFePO4
Regular price From $7,950.00 USDRegular priceSale price From $7,950.00 USD
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 right here, and be sure to consult your local AHJ to confirm your new system is compliant with all state & regional regulations.
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BigBattery UL Grid-Tied Indoor&Outdoor
Configurations up to 30kWh Equip your home or cabin with an indoor...
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 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, and be sure to consult your local AHJ to confirm your new system is compliant with all state & regional regulations.
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BigBattery UL Grid-Tied Outdoor Residential
Configurations up to 70kWh If you’re looking to ensure that your home...
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!
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BigBattery UL Grid-Tied Commercial
Configurations up to 600kWh From the office building to the jobsite, businesses...
System Components
Expandability Made Easy
Whether you’re looking to expand upon your current ETHOS or PowerPro System, add another inverter, or replace your cabling, you can find all the necessary system components & accessories right here.
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BigBattery UL Grid-Tied System Components
BigBattery Expandability Made Easy Whether you’re looking to expand upon your current...



















