BigBattery ETHOS 10.23kWh + 1x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System
Power your home with confidence using the BigBattery 48V 10.24kWh ETHOS System, a compact yet powerful energy storage solution for residential solar, backup power, and off-grid living. This system delivers 10.24kWh of premium LiFePO₄ storage paired with a 12kW EG4 18kPV Hybrid Inverter, ideal for tiny homes, cabins, and small-to-mid-sized houses.
Engineered with Tier 1 LFP cells in a sleek, stackable modular design, the ETHOS system allows for easy expansion and simple installation. Its IP65-rated enclosure provides indoor-safe operation, long-term durability, and reliable performance in diverse environments.
Each battery module includes an advanced integrated Battery Management System (BMS) with automatic cell balancing, thermal monitoring, and built-in fire suppression. The modular architecture scales up to 80kWh per control box, offering flexibility as your energy needs grow.
The included EG4 18kPV Hybrid Inverter delivers 12kW output and supports up to 18,000W of solar PV input via three MPPTs. Features include AC coupling, smart load control, integrated UPS modules for smooth grid-to-battery transitions, and a touchscreen monitoring interface for intelligent energy management.
Key Features:
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Battery Capacity: 10.24kWh (2 × 5.12kWh ETHOS Modules)
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System Voltage: 48V
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Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Inverter: 1 × 12kW EG4 18kPV Hybrid Inverter (18kW PV Input, 3 MPPTs)
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BMS: Advanced cell balancing, thermal protection, fire suppression
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Enclosure: IP65-rated, stackable, indoor-safe, maintenance-free
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Cold Weather Ready: Designed for reliable year-round operation
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Monitoring: Real-time LED system display + inverter touchscreen interface
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Scalability: Expandable up to 80kWh per control box; inverter parallelable for higher output
Perfect For:
- Small-to-mid-sized residential homes
- Tiny homes, cabins, and off-grid properties
- Whole-home backup for essential loads
- Emergency preparedness & grid instability
- Net metering & utility savings
- Replacing lead-acid battery banks with lithium
What’s Included:
- 2 × 48V ETHOS 5.12kWh Stackable Battery Modules – FETHS-48051-G1
- 1 × ETHOS Control Box – CNT060
- 1 × ETHOS Rack Base – CNT081
- 2 × ETHOS Parallel Power Cables (4.9 ft) – CBL089
- 1 × ETHOS Parallel Communication Cable (4.9 ft) – CBL096
- 1 × EG4 18kPV Hybrid Inverter – INV024