BigBattery ETHOS 48V 10.24kWh LiFePO4 Home Battery Backup – 2 Module | K0948

Description BigBattery ETHOS 48V 10.24kWh LiFePO4 Home Battery Backup – 2 Module | K0948 Product Description The BigBattery ETHOS 48V 10.24kWh LiFePO4 Battery System (K0948) is a modular energy storage solution designed for home backup, off-grid, and hybrid solar systems. This configuration includes two BigBattery ETHOS battery modules, providing a combined 10.24kWh capacity and 200Ah. Built with LiFePO4 battery chemistry, advanced BMS protection, and an outdoor-ready design, the ETHOS system provides reliable, maintenance-free energy storage. Its modular architecture allows capacity to be expanded as energy requirements grow. Key Benefits 10.24kWh Total Capacity – Two ETHOS battery modules 48V System – 51.2V nominal voltage 200Ah Capacity 10,240W Maximum Continuous Power LiFePO4 Battery Chemistry – Safe, stable lithium technology with long lifespan 6,000+ Cycle Life – Designed for years of daily use Advanced BMS Protection – Protection against voltage, current, and temperature risks Modular Expansion – Increase battery capacity as power requirements grow Integrated Smart Control – Optimized performance through the ETHOS controller Plug-and-Play Modular Design – Simplifies installation Indoor or Outdoor Installation – IP65 / NEMA 4X protection rating Maintenance-Free Operation CANBus / RS485 Communications 12-Year Warranty Lifetime USA-Based Tech Support Specifications Specification K0948 Battery Configuration 2× BigBattery ETHOS Total Capacity 10.24kWh System Voltage 48V Nominal Voltage 51.2V Battery Chemistry LiFePO4 Ah Capacity 200Ah Charging Voltage Range 55.6–57V Maximum Charge Voltage 57V Operating Voltage Range 48–57V Suggested Low Voltage Cutoff 48–50.8V BMS Cutoff Range 42–47V Cell Configuration 16S Maximum Continuous Discharge Current 200A Maximum Continuous Power 10,240W Maximum Discharge Peak Current 300A, max. 5 seconds Maximum 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) Maximum Connections Up to 16 parallel connections per control box Protection Rating IP65 / NEMA 4X Communications CANBus / RS485 Certifications UL9540, UL9540A, UL1973 & UN38.3 Warranty 12 Years What's In The Box? 2× BigBattery ETHOS battery modules FAQs Q: How much energy storage does the K0948 ETHOS system provide? A: The two-module K0948 configuration provides 10.24kWh of total battery capacity and 200Ah capacity. Q: What battery chemistry does the ETHOS use? A: The ETHOS uses LiFePO4 lithium battery chemistry. Q: Can the BigBattery ETHOS system be expanded? A: Yes. The ETHOS is a modular system designed to allow additional capacity to be added. The system supports up to 16 parallel connections per control box. Q: Can the ETHOS battery system be installed outdoors? A: The system has an IP65 / NEMA 4X protection rating and is described as suitable for both outdoor and indoor setups. Q: What inverters support closed-loop communication with ETHOS? A: For UL9540-certified grid-tied applications, the page lists the EG4 18kPV, EG4 FlexBoss18, and EG4 FlexBoss21. For off-grid non-UL9540 installations, it lists all BigBattery APEX inverters and all EG4 inverters. Warranty BigBattery backs the ETHOS battery with a 12-year warranty. The product also includes lifetime USA-based technical support.