

Description
BigBattery’s 48V ETHOS is transforming home energy solutions.
The newly launched ETHOS battery system offers a fully modular and stackable design, complete with a dedicated control box, an advanced LED status display, and an integrated mounting setup for easy installation.
Whether you're securing emergency backup power for your cabin or tiny home, or upgrading your residential property with a reliable solar battery storage system, the ETHOS delivers dependable and efficient energy year-round. With a cutting-edge battery management system (BMS) that includes automatic cell balancing, an IP65-rated enclosure, and built-in fire suppression, the ETHOS is built for lasting safety and resilience in all environments.
Stay informed on your system's performance with the interactive LED interface, along with CANBus and RS485 communication options for real-time power monitoring. The ETHOS is engineered for both reliability and user-friendly diagnostics, making it ideal for off-grid power setups and whole-home energy storage.
The ETHOS is available in two scalable configurations—2-stack (10.24 kWh) and 3-stack (15.36 kWh)—with future expandability to meet growing energy demands. Upgrade your home energy system with the powerful, efficient 48V ETHOS battery—now available.
Designed For 48V Applications
Specifications:
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Battery Voltage: 48V
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Configurations Available: 2-stack (10.24 kWh) / 3-stack (15.36 kWh)
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Design: Modular, stackable
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BMS: Advanced with auto cell balancing
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Display: Full-featured LED display
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Enclosure: IP65-rated
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Fire Protection: Integrated fire suppression system
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Communication: CANBus / RS485
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Mounting System: Included
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Expansion: System expandable for future scalability
Tech Specs
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 |
Cell Configuration: | 16S 2P |
Max Continuous Discharge Current: | 200A |
Max Continuous Power: | 10240W |
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: | UL9540A, UL1973, & UN38.3 |
Downloads
Video