BLUETTI B300S Expansion Battery | 3072Wh ( Only Works With AC500 ), B300S | 3072Wh Expansion Battery / D050S Enhancer

Power up for longer runtimes with the BLUETTI B300S Expansion Battery. This 3072Wh modular pack is designed to pair exclusively with the AC500 power station, delivering a substantial boost to your home's backup capacity, workshop, or off-grid setup. Add it to the AC500 to extend runtime during blackouts, keep essential devices running during outdoor adventures, or support solar charging days. The B300S integrates seamlessly with Bluetti's energy ecosystem, featuring a smart battery management system for safe, reliable operation and efficient charging/discharging. Easy to install, it scales with your needs—expand from weekend camping to full-time off-grid living. Note: this expansion battery is only compatible with the AC500 system and is not a standalone unit.