BLUETTI B300K Expansion Battery | 2,764.8Wh LFP

Expand your off-grid power with the BLUETTI B300K Expansion Battery. This 2,764.8Wh Lithium Iron Phosphate (LFP) pack delivers reliable, long-lasting energy to extend runtimes for Bluetti systems. Thanks to LFP chemistry, it offers thousands of cycles, stable performance in varying temperatures, and enhanced safety with balanced thermal management. The modular design lets you stack and connect easily to compatible power stations, giving you bigger capacity for home backup, remote work sites, camping, or disaster preparedness. With smart battery management, you'll see consistent voltage and efficient charging from solar or mains sources. A durable build and low self-discharge mean it's ready when you need it, whether for evening outages or weekends outdoors. Ideal for anyone seeking dependable, expandable power in a compact footprint.