BigBattery’s 48V ETHOS systems are now available, and this 20kWh indoor model is the perfect solution for grid-connected power in your family home, cabin, or mansion, offering unmatched safety, reliability, and advanced features.
The ETHOS system is designed to be a flexible home power solution, with a stackable, modular design that makes expansion easy. It includes all necessary hardware for straightforward wall mounting and installation. The system features an IP65-rated enclosure, an internal fire suppression system, and an advanced BMS with auto cell-balancing to ensure long-term safety and reliability. Additionally, the control box comes with an interactive LED display and supports CANBus and RS485 communication protocols, allowing you to monitor the status and performance of your system at all times.
But that's just the beginning. The ETHOS is paired with a cutting-edge 12000W EG4 hybrid inverter, complete with an LCD touchscreen, 3 MPPT inputs, an integrated UPS module for seamless on and off-grid switching, and the ability to manage PV arrays of up to 18000W. With smart load control, AC coupling, and peak shaving, the ETHOS meets your power needs while safeguarding your home from unstable grids or blackouts, all while providing substantial savings on your monthly electric bill.
Whether you need dependable emergency backup power or are looking to power your home with a high-performance solar system, the ETHOS ensures consistent, efficient energy delivery every day. It helps you save on utilities or earn rewards by contributing to the grid through net metering programs and tax incentives. Take control of your home’s energy and explore the 48V ETHOS today.
4 × 48V ETHOS 5.12kWh Stackable Battery Module_FETHS-48051-G1
1 × ETHOS Control Box_CNT060
1 × ETHOS RACK BASE_CNT081
2 × Ethos Parallel Power Cable 4.9 ft (1500mm)_CBL089
1 × Ethos Parallel Comm Cable 4.9 ft (150cm)_CBL096
1 × EG4 12kW (18kPV) Hybrid Inverter_INV024
Single Stack Technical Specifications
| SKU: |
K0956 |
| GTIN-12 (U.P.C.): |
850061252111 |
| 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 |
