BLUETTI B300 Expansion Battery | 3,072Wh (Refurbished)

BLUETTI B300 Expansion Battery is a high-capacity add-on designed to extend your power station's runtime. With 3,072Wh of energy, it's ideal for keeping essential devices running during outages or off-grid adventures. The refurbished unit has been tested to meet safety and performance standards, offering a cost-effective way to scale your power setup. It pairs with compatible BLUETTI power stations, letting you expand storage quickly for longer camping trips, workshop tools, or a powered caravan. Built with a robust BMS, it protects cells from overcharge, deep discharge, and short circuits, while providing balanced charging. Use solar or mains charging to replenish and keep the lights on, your fridge running, and electronics ready when you need them most.