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The Bluetti AC300 (3000W) is built around a modular approach, allowing battery capacity to be matched to the demands of the installation rather than fixed at one level. Selection should take account of the number of B300 batteries required, the equipment you intend to power and the available charging methods, particularly if the system will be used for extended backup or off-grid operation.
The AC300 contains no internal battery and must be connected to compatible Bluetti B300 battery modules to operate. One B300 provides 3,072Wh of LiFePO₄ battery capacity, while the AC300 can support up to four B300 units for a total capacity of 12,288Wh. This modular arrangement allows the system to be configured according to your energy requirements and available installation space.
A 3,000W pure sine wave inverter provides substantial AC power for compatible appliances and electrical equipment. The system can deliver up to 6,000W of surge power, which can be useful for equipment with higher starting demands, subject to the specific load requirements. This makes the AC300 particularly relevant where portable power needs extend beyond smaller electronics and low-consumption devices.
The AC300 supports up to 2,400W of solar input, giving users the option to replenish compatible B300 batteries using renewable energy. Its built-in MPPT controller helps manage the incoming solar power, while the system can also accept power from AC supplies, vehicles, generators and other supported sources. With suitable equipment and multiple B300 batteries, AC and solar charging can be combined for a maximum input rate of up to 5,400W.
The AC300 can form part of a home backup system, providing stored electricity when the mains supply is interrupted. Bluetti supports 24/7 UPS functionality, while compatible home integration equipment can be used where a more comprehensive backup installation is required. The precise setup depends on the property, connected circuits and installation equipment, so professional assessment may be appropriate for fixed home integration.
Wi-Fi and Bluetooth connectivity allow the AC300 and connected B300 batteries to be monitored and managed through the Bluetti app. Users can view input and output information, adjust supported operating settings and carry out firmware updates remotely. The separate AC300 and B300 components can also be transported individually, providing a practical advantage where the complete system would otherwise be difficult to move as a single unit.
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