Description
The BLUETTI AC500 + 4×B300K is an advanced, high-capacity home battery backup system designed to deliver maximum energy independence and reliability. With a powerful 5,000W pure sine wave inverter (10,000W surge) and modular design, it supports a wide range of residential and off-grid energy needs.
This configuration includes four B300K expansion batteries, providing an impressive 12,288Wh of LiFePO₄ storage. The system is expandable and supports up to six B300K units (maximum 18,432Wh), making it ideal for extended outages, off-grid living, and whole-home energy backup.
With dual input charging up to 8,000W (AC + solar or generator), plus 3,000W max solar input via dual MPPT, it ensures fast, flexible recharging. Smart control via the BLUETTI App lets you monitor and manage power use in real time through Wi-Fi or Bluetooth.
Enjoy peace of mind with <20ms UPS switchover time, protecting sensitive electronics from interruptions. The system also includes advanced Battery Management System (BMS) and offers 3,500+ cycles at 80% capacity.
This package is a robust, intelligent power solution for anyone seeking long-lasting, expandable energy freedom.
Key Features
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⚡ 5,000W Pure Sine Wave Inverter with 10,000W surge capability
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🔋 12,288Wh Capacity with 4×B300K (Expandable up to 18,432Wh)
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☀️ 3,000W Max Solar Input with dual MPPT tracking
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🔄 8,000W Dual Input Charging via AC + Solar/Generator
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🔌 Multiple output ports: AC, USB-C, USB-A, DC, RV port
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📲 Smart App Control with real-time monitoring and settings
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🔁 <20ms UPS Function ensures uninterrupted power delivery
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🔋 LiFePO₄ Battery Chemistry with 3,500+ cycles to 80%
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🧱 Fully modular and expandable for total energy flexibility
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🏠 Suitable for homes, off-grid cabins, and emergency backup













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