BigBattery ETHOS 48V 10.2kWh (2 Module) – Stackable Power Storage

BigBattery ETHOS 48V 10.2kWh (2 Module) – Stackable Power Storage

The BigBattery ETHOS 48V 10.2kWh Stackable Power Storage System is the perfect modular solution for reliable energy storage in your tiny home, cabin, off-grid project, or solar-powered setup. Featuring two high-performance 5.12kWh LiFePO4 battery modules and an integrated control box, this compact system delivers long-lasting power with industry-leading safety and expandability.

Designed to grow with your energy needs, the ETHOS features a fully stackable and modular design, making it easy to expand to larger capacities like 15.3kWh, 20.4kWh, and beyond. With included mounting hardware and a user-friendly LED display, this system installs easily and puts you in full control of your energy usage.

Key Features:

• Battery Capacity: 10.24kWh (2 × 5.12kWh modules)
  
• System Voltage: 48V – Ideal for off-grid and solar applications
  
• Chemistry: Lithium Iron Phosphate (LiFePO4)
  
• Control Box: Built-in LED display, CANBus & RS485 communications
  
• Safety: IP65-rated housing, internal fire suppression system
  
• BMS: Advanced battery management with auto cell balancing
  
• Expandability: Modular design — upgrade as your needs grow
  
• Installation: Wall-mount hardware included for fast, secure setup
  

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

Benefits:

• Reliable lithium battery technology with extended cycle life
  
• Supports peak shaving and time-of-use optimization
  
• Easily scalable for larger storage needs
  
• Compatible with various solar PV setups and inverters
  
• Designed for continuous, off-grid energy supply
  
• 30% Federal Tax Credit Available
  

What’s Included:

• 2 × 48V ETHOS 5.12kWh Stackable Battery Modules – Model: FETHS-48051-G1
  
• 1 × ETHOS Control Box – Model: CNT060
  
• 1 × 10kWh Controller-to-Battery Power Cable (31.5" / 800mm) – Model: CBL088
  

Specifications

Product Specifications

Shopping Guide

Why Shop With Us

Why Shop With Ecogrid Supply?

• Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.

• Fast, Reliable Shipping: All items ship from our U.S. warehouses with quick and dependable freight options to keep your project on track.

• 30-Day Hassle-Free Returns: Change your mind? No worries — enjoy a simple 30-day return process for peace of mind.

• Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just real people who know off-grid power systems.

• Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.

• USA-Based Service: Our team proudly operates here in the United States, providing local, knowledgeable, and friendly support.

• Secure Payments: Shop confidently with our encrypted, secure checkout to protect your personal and payment information.

• Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.