Big Battery 12kW 30.7kWh ETHOS Energy Storage System (ESS)
REVOLUTIONIZING RESIDENTIAL ESS! BigBattery 48V ETHOS systems are here, and this 30kWh indoor configuration is the ideal solution for grid-tied power in your tiny home, cabin, or family home, supported by comprehensive safety, reliability, and state-of-the-art features.
The ETHOS System was built to be a versatile home power solution, with a stackable, modular design for easy expandability, and all hardware included to mount your Big Battery 12kW 30.7kWh ETHOS to your wall with an effortless installation. The Big Battery 12kW 30.7kWh ETHOS comes equipped with an IP65-rated casing, an internal fire suppression system, as well as an advanced BMS with auto cell-balancing to ensure long-lasting safety and reliability. Plus, its control box features an interactive LED display, along with CANBus and RS485 communication protocols, so you can always monitor the status and performance of your power.
But that’s not all. We pair our ETHOS with a cutting-edge 12000W Lux inverter, which features its LCD touch screen display, 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. Plus, through its smart load control, AC coupling abilities, and peak shaving function, you can meet your power needs and protect your home against unstable grids or rolling blackouts, while seeing huge savings each month on your electric bill.
Whether you’re looking to ensure emergency backup power is always available, or you’re looking to outfit your home with a powerful solar system, the Big Battery 12kW 30.7kWh ETHOS ensures reliable, efficient power delivery day in and day out, allowing you to save on utilities, or get rewarded for giving back to the grid through net metering programs and other tax incentives. Take control of your home’s power and shop the Big Battery 12kW 30.7kWh ETHOS today!
What's Included
- (6) 48V ETHOS 5.12kWh Stackable Battery Module
- (1) ETHOS Control Box
- (1) ETHOS RACK BASE
- (1) ETHOS Parallel Comm Cable 4.9ft (1500mm)
- (2) ETHOS Parallel Power Cable 4.9ft (1500mm)
- (1) LUXPower 12kW (18kPV) Hybrid Inverter
Key Features
- 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%): °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
- Communications: CANBus / RS485
Downloads
Spec Sheet
User Manual
UL9540 Certification
UL1973 Certification
Safety Data Sheet
Inverter Downloads
Spec Sheet
User Manual
WiFi Setup Guide
Rapid ShutDown Certificate
UL1741 Certificate
IEEE1547 Certificate
Warranty
10-Year Warranty Applied To Batteries Only
Additional Information
Features:
- Advanced BMS (Battery Management System)
- Lithium-Ion LiFePO4/LFP Chemistry
- Easy connection to a larger power system
- Expandable system with its modular stackability
- Multiple layers of safety and battery protection
- Built-in fire suppression system
- Good insulation performance
- Utilizes standardized Amphenol UL ESS Connector
- Smart Controller Box
- LED Smart Monitor Display
- Parallel Communication
- CAN bus and RS-485 communication with different inverters.
- RJ-45 ports
- Hidden cables for better presentation
Designed For 48V Applications
- RESIDENTIAL POWER SYSTEMS
- HOME SOLAR SYSTEMS
- CABINS & TINY HOMES
- FAMILY HOMES & MANSIONS
- OFF-GRID HOMESTEADS
- EMERGENCY POWER
- WHOLE HOME BACKUP
- LEAD ACID REPLACEMENT
