BLUETTI B300 Expansion Battery | 3,072Wh, B300 | 3072Wh Expansion Battery

Power up more with the BLUETTI B300 Expansion Battery. This 3,072Wh expansion module plugs into compatible Bluetti power stations to dramatically extend runtime for home backup, off-grid living, or outdoor use. Its modular design lets you scale energy capacity without replacing your whole system, so you can keep essentials—refrigeration, lighting, laptops, and communications—running during outages or remote trips. The B300 features Bluetti's intelligent Battery Management System to monitor temperature, voltage, and current for safe charging and discharging. Expect quiet operation, reliable energy delivery, and a compact footprint that fits in cupboards, sheds, or RV compartments. Perfect for weekend camping, remote work, and emergency preparedness—providing predictable, controllable power when you need it.