BLUETTI B300 is a reliable add-on battery for the AC300 Solar Generator and AC200MAX Portable Power Station. It also works well with other BLUETTI solar power stations such as AC500, AC180, and AC200P in Power Bank Mode. Equipped with 3 DC outlets, it can act as a standalone power station. When paired with the powerful AC300, this combo is the ultimate generator for home use, providing a consistent power supply during power outages.