Portable Battery Station 3000W, Solar or plug-in charging, Bluetti

Power extension for any scenario

The B300K battery adapts to any situation - whether you want to protect your home during power outages or you're embarking on an off-grid adventure. You can connect multiple B300K units or combine them with other Bluetti batteries for a customized power system.

Extensive compatibility, unlimited possibilities

The B300K integrates seamlessly with the AC200L, AC200MAX, AC300 and AC500*, giving you total flexibility to expand your capacity as your energy needs grow.
*Requires P090D-P150D cable to connect to AC500 (sold separately).

Built to protect, designed to last

The B300K uses LiFePO₄ square LiFePO₄ batteries, AI-BMS technology, aluminum housing and intelligent cooling fan - a reliable and safe choice for any conditions.

Quick loading - ready in 45 minutes

When connected to the AC300 or AC500, the B300K charges up to 80% in just 45 minutes - so you can get back to business quickly, whether you're at home or on the go.

Stand-alone energy source

The B300K is not just an extension battery - it's also a portable power hub. With the included USB-A port, you can directly charge phones, tablets or fans - ideal for camping, emergencies or those times when you need to stay connected.