The BLUETTI AC300 + 4*B300 Home Battery Backup is a powerful and modular system designed to keep your home running during power outages or emergencies. With a 3,072Wh capacity (expandable up to 12,288Wh with 4 × B300 battery modules), a 3,000W AC pure sine wave inverter (6,000W surge), and 7 ways to recharge (AC/Solar/Car/Generator/Lead-acid Battery/Dual AC/AC+Solar), this system provides reliable power to meet all your needs. It features a LiFePO4 battery with over 3,500 life cycles to 80%, 240V split phase bonding, and a 24/7 UPS home backup to keep you prepared for any situation. Plus, with a 2400W max solar input, 5400W max fast dual charging (solar + AC), and the ability to connect two AC300s in series with the Fusion Box Pro (P030A) for 240V/6,000W output, this system is incredibly versatile. Easy to set up – just power on – this one system truly does it all.