BigBattery ETHOS | 48V – 10.24kWh (2 module) | UL1973 | UL9540A | Home Battery Backup LFP

The BigBattery ETHOS is a 48V modular home battery system with two LiFePO4 battery modules providing a total capacity of 10.24kWh. It is designed for on grid, off grid, and hybrid energy storage applications and can be expanded to more than 80kWh.

The ETHOS features an advanced battery management system, integrated smart control, plug and play modular installation, and an IP65 / NEMA 4X protection rating. It supports closed loop communication through CANBus and RS485 and is designed to integrate with compatible inverter systems.

Key Features

• 10.24kWh total capacity from two 5.12kWh modules

• LiFePO4 battery chemistry

• 6,000+ cycle life

• Advanced battery management system

• Modular expansion capability

• Integrated ETHOS control box

• Plug and play modular setup

• Maintenance free design

• IP65 / NEMA 4X protection

• CANBus and RS485 communication

• UL9540, UL9540A, UL1973, and UN38.3 certifications

Specifications

• System Voltage: 48V

• Nominal Voltage: 51.2V

• Chemistry: LiFePO4

• Total Capacity: 10.24kWh

• Ah Capacity: 200Ah

• Charging Voltage Range: 55.6 to 57V

• Maximum Charge Voltage: 57V

• Operating Voltage Range: 48 to 57V

• Suggested Low Voltage Cutoff: 48 to 50.8V

• BMS Cutoff Range: 42 to 47V

• Cell Configuration: 16S 2P

• Maximum Continuous Discharge Current: 200A

• Maximum Continuous Power: 10,240W

• Maximum Discharge Peak Current: 300A, maximum 5 seconds

• Maximum Charge Current: 200A

• Charge Temperature Range: 32°F to 113°F (0°C to 45°C)

• Discharge Temperature Range: -4°F to 140°F (-20°C to 60°C)

• Optimal Discharge Temperature Range: 59°F to 95°F (15°C to 35°C)

• Storage Temperature Range: -4°F to 113°F (-20°C to 45°C), above 50% state of charge, maximum 6 months

• Weight: 273 lbs (123.8 kg)

• Dimensions: 6.7 × 26.5 × 43.3 inches (170 × 674 × 1100 mm)

• Maximum Connections: Up to 16 parallel connections per control box

• Protection Rating: IP65 / NEMA 4X

• Communication: CANBus / RS485

• Certifications: UL9540, UL9540A, UL1973, UN38.3

• Battery Modules: 2 × BigBattery ETHOS

• Control Box: 1 × ETHOS Control Box

• System SKU: K0948

Warranty

• Warranty: 12 Years

• Support: Lifetime USA Based Technical Support

Included

• BigBattery ETHOS Battery Modules × 2

• ETHOS Control Box × 1

• 10kWh ETHOS Controller to Battery Power Cable, 31.5 inches (800mm) × 1

Documents & Certifications

Spec Sheet
User Manual