• [Backward and Forward Compatibility] - Seamlessly works with past and future BLUETTI power stations featuring an expansion port, including AC200L, AC200MAX, AC300, AC500, and AC200PL. Ready for what's next.
• [Next-Generation Cells] - Equipped with advanced cells that provide at least 4,000 cycles to 80% capacity, offering a 15% boost in lifespan. Plus, they perform even better at high temperatures.
• [Next-Gen Design Architecture 2.0] - The B300K expansion battery pack's wireless internal design minimizes failure risk and maximizes space efficiency, resulting in a more compact, portable product.
• [Built-In USB Charging Port] - It's like having a massive power bank with a USB port, ready for those "just-in-case" moments. Connect it to any compatible BLUETTI power station for added versatility.
• [What You Get] - BLUETTI B300K expansion battery, P090A battery expansion cable for power station AC200L AC300 AC200MAX and user manual.