Big Battery | 12kW 46kWh 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 ESS! BigBattery’s 48V ETHOS system is here, offering an impressive 46kWh configuration ideal for grid-tied power in homes of all sizes, from family homes and cabins to large estates. With top-tier safety, reliability, and advanced features, ETHOS is built to deliver dependable energy for every household.
The ETHOS system is designed for versatility with a stackable, modular structure for easy expansion. It includes IP65-rated weatherproofing, an internal fire suppression system, and an advanced BMS with auto cell-balancing to ensure enduring safety and performance. The control box features an interactive LED display and CANBus and RS485 communication for seamless monitoring, and installation is simple with all mounting hardware provided.
Paired with a powerful 12,000W Lux inverter, ETHOS offers an LCD touchscreen, 3 MPPT inputs, integrated UPS for smooth on/off-grid transitions, and support for PV arrays up to 18,000W. With smart load control, AC coupling, and peak shaving, ETHOS efficiently meets power demands, safeguards against grid instability, and delivers significant energy savings.
Whether you want a robust backup power source or an advanced solar solution, ETHOS provides reliable, efficient energy daily, with opportunities for utility savings, net metering, and tax incentives. Take charge of your home’s energy with the 48V ETHOS today!
What's Included
9 × 48V ETHOS 5.12kWh Stackable Battery Module
1 × ETHOS Control Box
2 × ETHOS RACK BASE
1 × LUXPower 12kW Hybrid Inverter
4 × Ethos Parallel Power Cable 4.9 ft (1500mm)
2 × Ethos Parallel Comm Cable 4.9 ft (150cm)
1 × 15kWh Ethos Controller to Battery Power Cable 4ft (1220mm)
Specs and Downloads
System Spec Sheet
Inverter Spec Sheet
Single Stack Tech Specs
| SKU: | K0754 |
| 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 |
Inverter
Registration & WiFi Setup Guide
