Big Battery | 24kW 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 has arrived, offering a robust 46kWh configuration for grid-tied power, perfect for larger family homes or expansive multi-level properties. Built for safety, reliability, and equipped with advanced features, ETHOS sets a new standard in home energy storage.
The ETHOS system is designed with a modular, stackable setup for effortless expandability and easy installation on walls in garages, sheds, or exteriors, with all mounting hardware included. Its IP65-rated casing, internal fire suppression, and advanced BMS with auto-balancing ensure safety and longevity. The control box features an interactive LED display, plus CANBus and RS485 communication protocols for real-time power status monitoring.
To enhance performance, we pair ETHOS with two advanced 12,000W Lux inverters, each with an LCD touchscreen, 3 MPPT inputs, UPS modules for smooth on/off-grid transitions, and the capacity to manage PV arrays up to 36,000W. With smart load control, AC coupling, and peak shaving functions, these inverters deliver energy savings and ensure a stable power supply, even in challenging grid conditions.
Whether you’re preparing for emergency power or equipping your home with a high-powered solar system, ETHOS provides reliable, efficient energy day in and day out, enabling utility savings and potential benefits from net metering and tax incentives. Take control of your home’s energy with the 48V ETHOS system today!
What's Included
9 × 48V ETHOS 5.12kWh Stackable Battery Module
2 × ETHOS Control Box
2 × ETHOS RACK BASE
2 × LUXPower 12kW Hybrid Inverter
2 × Ethos Parallel Comm Cable 4.9 ft (150cm)
4 × Ethos Parallel Power Cable 4.9 ft (1500mm)
1 × Parallel Busbar
Specs and Downloads
System Spec Sheet
Inverter Spec Sheet
Single Stack Tech Specs
| SKU: | K0755 |
| System Voltage: | 48V |
| Nominal Voltage: | 51.2V |
| Chemistry: | LiFePO4 |
| kWh Capacity: | 10.24kWh |
| Ah Capacity: | 200Ah |
| 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 2P |
| 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: | 273 lb (123.8 kg) |
| Depth: | 6.7 in (170 mm) |
| Width: | 26.5 in (674 mm) |
| Height: | 43.3 in (1100 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
