BLUETTI B300S Expansion Battery | 3072Wh (Refurbished)

Power up longer off-grid with the BLUETTI B300S Expansion Battery – a 3072Wh capacity add-on designed to pair with compatible Bluetti power stations. This refurbished unit has been cleaned, tested and restored to reliable performance, offering a cost-effective way to extend runtimes for camping, RV trips, emergency backup or off-grid living. With compact form and simple daisy-chain design, it slots into your existing Bluetti system to deliver substantial energy reserves for refrigerators, laptops, lights, and charging essentials. The 3072Wh capacity translates into hours of stability during outages or weekends away, while smart battery management protects against overloads and deep discharge. Lightweight enough for portable setups, but rugged enough to endure outdoor use, the B300S is a scalable solution you can customise as your energy needs grow.