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BigBattery ETHOS 10.2kWh Energy Storage System (2 Module Kit)
Compact Power Core — Scalable Storage for Homes, Cabins, and Off-Grid Living
Overview
The BigBattery ETHOS 10.2kWh system is a compact, modular energy storage solution built for residential backup, solar integration, and off-grid applications. Featuring two stackable LiFePO4 battery modules and an integrated control system, it delivers reliable, efficient power in a streamlined footprint.
Designed as an entry point into scalable energy systems, it provides the foundation to expand as your power needs grow.
Why This System Works
-
Compact Yet Powerful Storage
10.24kWh capacity supports essential loads and small-to-mid size systems -
Modular Expansion Ready
Stack and scale your system as energy demands increase -
High Output Capability
Up to 10,240W continuous power with strong surge support -
Advanced LiFePO4 Chemistry
Safe, long-lasting, and thermally stable battery technology -
Smart Battery Management System (BMS)
Auto cell-balancing with full protection against faults -
All-Weather Rated (IP65)
Designed for indoor or outdoor installation -
Real-Time Monitoring
Integrated LED display for system status and performance -
Seamless Integration
CANBus and RS485 communication for inverter compatibility
System Role
Functions as a foundational energy storage system, supporting solar, backup, or hybrid power setups.
Integrates with:
- Hybrid and off-grid inverters
- Solar arrays
- Backup power systems
- Residential electrical systems
Key Specifications
| Spec | Detail |
|---|---|
| Battery Type | LiFePO4 |
| Nominal Voltage | 51.2V |
| System Voltage | 48V |
| Total Capacity | 10.24kWh |
| Amp Hours | 200Ah |
| Continuous Output | 10,240W |
| Peak Discharge Current | 300A (5 sec) |
| Max Charge Current | 200A |
| Operating Voltage Range | 48V – 57V |
| Temperature Range | -4°F to 140°F |
| Protection Rating | IP65 |
| Certifications | UL9540, UL1973, UL9540A, UN38.3, CE |
| Weight | 273 lbs |
| Dimensions | 43.3" × 26.5" × 6.7" |
What’s Included
- (2) 5.12kWh ETHOS Battery Modules
- (1) ETHOS Control Box
- Power Cable (Controller to Battery)
- Mounting & Integration Hardware
Ideal Applications
- Cabins and tiny homes
- Backup power for essential loads
- Entry-level solar + storage systems
- Off-grid starter systems
- Expandable residential energy setups
Bottom Line
A compact, scalable energy storage system that delivers reliable power today with the flexibility to grow into a full-scale energy solution tomorrow.
