Product Description

Bluetti B500 LiFePO4 Expansion Battery — The Ultimate Home Backup & Off-Grid Power Solution

Upgrade your energy system with the Bluetti B500 LiFePO4 Expansion Battery, engineered for seamless compatibility with the EP800 and EP900. Each B500 adds a powerful 4,960 Wh of solar energy storage, extending your backup supply by up to a full day.

Perfect for off-grid living, solar-powered homes, or anyone looking to increase energy security, the B500 delivers reliable power whenever you need it most — during outages, peak-hour demand, or while living independently from the grid.


Key Features

  • Massive Capacity Expansion – Instantly boost your system’s total energy reserve with an additional 4.96 kWh per unit.

  • Seamless Integration – Built specifically for Bluetti EP800 and EP900 home battery systems for simple, plug-and-play setup.

  • Reliable Power Backup – Keep essential appliances and devices running during blackouts, emergencies, or off-grid use.

  • Advanced LiFePO4 Technology – Offers exceptional thermal stability, overheat resistance, and a long cycle life of more than 3,500 cycles.

  • Silent and Maintenance-Free – Enjoy clean, dependable power without noise, fumes, or fuel.


Built for Performance and Peace of Mind

With its LiFePO4 chemistry, the B500 delivers safe, efficient, and long-lasting performance even in demanding conditions. Designed for continuous daily cycling, it’s ideal for home backup, solar setups, RVs, or small business energy storage.

Every unit includes a 10-year warranty, ensuring years of dependable service and ongoing manufacturer support. The B500 is a smart, future-ready investment in sustainable energy independence.

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