Collection: BigBattery UL Grid-Tied System Components
BigBattery
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 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 MeterHome 10kW All-In-One Hybrid Inverter
Regular price $3,015.00 USDRegular priceSale price $3,015.00 USD -
BigBattery ETHOS Control Box
Regular price $280.00 USDRegular price$530.00 USDSale price $280.00 USDSale -
BigBattery ETHOS Expansion Kits
Regular price From $2,790.00 USDRegular priceSale price From $2,790.00 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 FlexBOSS21 21kPV Hybrid Inverter
Regular price From $3,599.99 USDRegular price$4,199.99 USDSale price From $3,599.99 USDSale -
EG4 FlexBOSS18 18kPV Hybrid Inverter
Regular price From $3,199.99 USDRegular price$3,499.99 USDSale price From $3,199.99 USDSale -
EG4 6000XP (8kPV) Off-Grid Inverter
Regular price From $1,549.00 USDRegular price$2,000.00 USDSale price From $1,549.00 USDSale -
EG4 12kPV Hybrid Inverter
Regular price From $3,499.00 USDRegular price$4,117.00 USDSale price From $3,499.00 USDSale -
EG4 18kPV Hybrid Inverter
Regular price $4,898.00 USDRegular price$5,763.00 USDSale price $4,898.00 USDSale -
Sold outEG4 12000XP V2 Off-Grid Inverter
Regular price $1,899.99 USDRegular price$3,353.00 USDSale price $1,899.99 USDSold out -
EG4 GridBOSS 200A MID
Regular price $1,999.00 USDRegular price$2,399.95 USDSale price $1,999.00 USDSale












