Big Battery | 12kW | 15.3kWh | ETHOS Energy Storage System (ESS) (BACKORDER)
Overview
THIS PRODUCT IS IN HIGH DEMAND AND CURRENTLY ON BACKORDER! SECURE YOURS NOW TO BE FIRST IN LINE FOR THE DECEMBER 10 RESTOCK!
REVOLUTIONIZING RESIDENTIAL ENERGY STORAGE! BigBattery's 48V ETHOS systems are here with a 15kWh indoor configuration, the perfect solution for grid-tied power in your tiny home, cabin, or family residence. With cutting-edge features, unmatched safety, and reliable performance, the ETHOS system is built to meet all your home power needs.
Designed for flexibility, the ETHOS system features a stackable, modular design, making it easy to expand as your energy needs grow. Installation is a breeze with all the necessary hardware included. The system is housed in an IP65-rated enclosure for protection against dust and water, and features an internal fire suppression system for added peace of mind. The advanced Battery Management System (BMS) ensures optimal performance with auto cell-balancing, keeping your system running smoothly and safely.
The ETHOS comes with an intuitive control box that includes an interactive LED display, along with CANBus and RS485 communication protocols to provide real-time monitoring of your system’s health and performance.
For a complete home power solution, we pair the ETHOS with the advanced 12000W Lux inverter, which includes a LCD touch screen, 3 MPPT inputs, and an integrated UPS module for seamless on-grid and off-grid switching. It can support PV arrays up to 18000W and features smart load control, AC coupling, and peak shaving to optimize power use, protect against grid instability, and reduce your energy costs.
Whether you need reliable emergency backup power, want to optimize your solar system, or save money with net metering and tax incentives, the ETHOS system has you covered. Take control of your home’s energy today with the 48V ETHOS.
Key Features:
- 15kWh Indoor Configuration: Ideal for small homes and grid-tied systems
- Stackable & Modular: Easily expandable to suit your energy needs
- Advanced BMS: Auto cell-balancing and internal fire suppression
- IP65-rated: Weatherproof for long-lasting protection
- Real-time Monitoring: LED display with CANBus/RS485 communication
- 12000W Lux Inverter: 3 MPPT inputs, LCD touch screen, and UPS module for seamless switching
- PV Array Support: Can handle up to 18000W of PV power
What's Included
3 × 48V ETHOS 5.12kWh Stackable Battery Module
1 × ETHOS Control Box
1 × LUXPower 12kW Hybrid Inverter
1 × 15kWh Ethos Controller to Battery Power Cable 4ft (1220mm)
Specs and Downloads
| SKU: | K0955 |
| GTIN-12 (U.P.C.): | 850061252098 |
| System Voltage: | 48V |
| Nominal Voltage: | 51.2V |
| Chemistry: | LiFePO4 |
| kWh Capacity: | 15.36kWh |
| Ah Capacity: | 300Ah |
| Charging Voltage Range: | 55.6 - 57V |
| Max Charge Voltage: | 57V |
| Operating Voltage Range: | 48 – 57V |
| Suggested Low Voltage Cutoff: | 48 – 50.8V |
| BMS Cutoff Range: | 42 - 47V |
| Cell Configuration: | 16S 3P |
| Max Continuous Discharge Current: | 250A |
| Max Continuous Power: | 12800W |
| Max Discharge Peak Current: | 300A (Max 5 seconds) |
| Max Charge Current: | 200A |
| Charge Temperature Range: | 32°F - 113°F (0°C - 45°C) |
| Discharge Temperature Range: | -4°F - 140°F (-20°C - 60°C) |
| Optimal Discharge Temperature Range: | 59°F - 95°F (15°C - 35°C) |
| Storage Temperature Range (SoC >50%): | -4°F - 113°F (-20°C - 45°C) (Max 6 months) |
| Weight: | 387 lb (175.5 kg) |
| Depth: | 6.7 in (170 mm) |
| Width: | 26.5 in (674 mm) |
| Height: | 59.8 in (1520 mm) |
| Max Connections: | Up to (16) parallel connections per control box |
| Protection Rating: | IP65 / NEMA 4X |
| Communications: | CANBus / RS485 |
| Certifications: | UL9540, UL9540A, UL1973, & UN38.3 |
User Manual
UL9540 Certification
UL1973 Certification
Safety Data Sheet
Inverter
User Manual
Rapid ShutDown Certificate
UL1741 Certificate
IEEE1547 Certificate
