BigBattery’s 48V ETHOS systems have arrived, and this 15kWh indoor model is the perfect solution for grid-connected power in your tiny home, cabin, or family residence. It combines advanced safety, reliability, and cutting-edge features.
Designed for flexibility, the ETHOS System offers a modular, stackable configuration for easy expansion, and includes all the necessary hardware for quick wall mounting and installation. Its IP65-rated enclosure, integrated fire suppression system, and sophisticated BMS with auto cell-balancing ensure long-lasting safety and reliability. The system's control box also features an interactive LED display, supporting CANBus and RS485 communication protocols, so you can monitor performance and status at all times.
But that's just the beginning. The ETHOS is paired with a powerful 12000W EG4 hybrid inverter, equipped with its own LCD touchscreen, 3 MPPT inputs, an integrated UPS module for seamless on and off-grid switching, and the ability to handle PV arrays of up to 18000W. With smart load control, AC coupling capabilities, and peak shaving functionality, you can meet your power needs while protecting your home from unstable grids or blackouts. Additionally, you'll enjoy significant savings on your electric bill.
Whether you need reliable emergency backup power or want to equip your home with an efficient solar system, the ETHOS delivers dependable, efficient power every day. It allows you to reduce utility costs or benefit from net metering programs and tax incentives for contributing to the grid. Take control of your home’s energy with the 48V ETHOS today.
3 × 48V ETHOS 5.12kWh Stackable Battery Module_FETHS-48051-G1
1 × ETHOS Control Box_CNT060
1 × 15kWh Ethos Controller to Battery Power Cable 4ft (12220mm)_CBL091 1 × EG4 12kW (18kPV) Hybrid Inverter_INV024
Technical Specifications
| 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 |
