Big Sky Battery

$2,950.00

Introducing The Big Sky Battery—a rugged, high-quality 48 V battery enclosure engineered for DIY solar, off-grid, RV, marine, and emergency backup applications. Built to proven standards and designed to perform, this kit empowers you to assemble a powerful and reliable energy solution using top-tier components and intelligent protection systems.

Introducing The Big Sky Battery—a rugged, high-quality 48 V battery enclosure engineered for DIY solar, off-grid, RV, marine, and emergency backup applications. Built to proven standards and designed to perform, this kit empowers you to assemble a powerful and reliable energy solution using top-tier components and intelligent protection systems.

 

Key Features

  • Proven 48 V, 16-cell (16S) Form Factor
    Designed around the widely used 51.2 V nominal voltage layout, our enclosure ensures compatibility and flexibility—perfect for scalable energy setups.

  • Premium Stainless Steel Construction
    The fully enclosed, durable stainless-steel box provides resilient protection, with anti-corrosive layers built to withstand harsh off-grid environments.

  • High-Capacity EVE Grade A+ LiFePO₄ Cells (280 – 330 Ah options)
    Inside this kit, you’ll install premium EVE Grade A+ LiFePO₄ cells, known for excellent cycle life, reliability, and consistent performance in energy storage setups.

  • Smart 48 V 16S BMS with CANbus & RS-485 Communication
    Enjoy advanced battery protection and monitoring with our robust BMS system—available in multiple current-handling variants (100 A, 150 A, 200 A, or 300 A), tailored to your power demands. Built-in protections include overcharge, over-discharge, over-current, short-circuit, and temperature sensing, with native CANbus and RS-485 interfaces for seamless integration with popular inverters and control systems.

  • Scalable & Configurable Options
    Choose the BMS current rating that fits your system—100 A for smaller loads up to 10 kW, 150 A for mid-range setups, 200 A for heavier demands, or a high-current 300 A for maximum load performance.

  • Expandable and Stackable Design
    Stack up to 14 identical modules in parallel to scale capacity effortlessly, whether you're designing a compact rack or building extensive solar energy storage clusters.

  • Complete Set of Accessories
    Each kit includes easy-to-install components like epoxy insulation boards, flexible busbars for both cell connections and BMS wiring, PCB adapters, an LCD status display, control buttons, terminal plugs, fuse/circuit protection (e.g., 350 A fuse for higher-current versions), and all necessary framing hardware.

  • Space-Efficient & Transportable
    With a compact footprint of 16.3″ × 27.6″ × 10.4″ and a lightweight design of just 64 lb, this DIY enclosure simplifies storage and integration into your system.

  • Strong Warranty & Long-Term Reliability
    Built with high-quality EVE cells and an advanced BMS, The Big Sky Battery kit is backed by a 5-year warranty, offering peace of mind and dependable performance.

Why Choose The Big Sky Battery?

Whether you're building a solar-powered cabin, outfitting an RV, designing a marine power system, or preparing a home backup solution, The Big Sky Battery strikes the ideal balance between customization and turnkey reliability. By combining industry-trusted kit engineering with the elevated performance of EVE Grade A+ cells and a smart BMS, this product delivers both robustness and scalability—without compromise.