Bluetti AC500 + B300S – 5,000W, 3,072Wh–18,432Wh Expandable, Grid Integration

Bluetti AC500 + B300S – 5,000W Whole-Home Backup, 18kWh Max LiFePO4

The Bluetti AC500 paired with B300S expansion batteries is the most powerful home backup power system available for consumer purchase on Amazon. With 5,000W of continuous AC output and expandable capacity from 3,072Wh to an extraordinary 18,432Wh, it can power an entire home for 24–72+ hours during extended outages. Top choice among households in hurricane zones and wildfire regions who want generator-free whole-home backup.

• 5,000W / 10,000W Surge AC Output: Powers central AC units, electric water heaters, refrigerators, washing machines, and all home critical loads simultaneously during outages
• 3,072Wh to 18,432Wh Expandable: Base 3,072Wh capacity with one B300S; add up to 6 B300S battery modules for 18,432Wh — enough for 72+ hours of home backup
• LiFePO4 Chemistry – 3,500 Cycles: Lithium Iron Phosphate batteries maintain 80% capacity after 3,500 full cycles — over 10 years of daily whole-home backup use
• 3,000W Solar + AC Dual Charging: Accepts 3,000W solar input simultaneously with AC charging — can restore full capacity in under 3 hours using combined charging
• Smart Transfer Switch Compatible: Works with Bluetti’s Smart Home Panel for automatic whole-home failover during grid outages; powers up to 10 home circuit breakers
• Bluetti App + WiFi + Bluetooth: Full remote monitoring and control via Bluetti app; schedule charging, monitor energy flows, and get system status notifications
• UL Listed + 4-Year Warranty: UL certification for residential use; Bluetti’s 4-year product warranty and 10-year battery performance guarantee for long-term peace of mind