BLUETTI B300S Expansion Battery | 3,072Wh (Only Works With AC500)

Power your off-grid adventures and tackle power outages effortlessly with the BLUETTI B300S Expansion Battery. Featuring a 3,072Wh capacity and over 3,500 life cycles to 80% of its original capacity, this battery pack is the perfect companion to the AC500. Connect up to 6 B300S units to unleash a massive 18,432Wh powerhouse, ideal for RV living, off-grid cabins, and ensuring your home remains powered during extended blackouts. Equipped with a self-heating function, the B300S performs seamlessly, even in freezing conditions, ensuring reliable power when you need it most.

More than just an expansion battery, the B300S doubles as a portable power station with versatile outputs, including 100W USB-C, 12V/10A car port, and 18W USB-A, allowing you to charge everything from smartphones and laptops to refrigerators and lights. With fast charging options, the B300S can be recharged in just 4 hours using a 1,000W solar input or a combination of solar and AC power (D050S charging enhancer required for car charging). Pair it with the AC500 for a clean, quiet, and fuel-free alternative to traditional generators—perfect for home or travel.