Description
BLUETTI B300 Expansion Battery: Scalable Power for Every Scenario
The BLUETTI B300 Expansion Battery is a highly versatile energy storage solution designed to grow with your power needs. Built to serve as the perfect companion for the BLUETTI AC300, AC200MAX, and AC200P power stations, this robust module effortlessly multiplies your total capacity. Whether you are preparing for extended power outages, embarking on a long RV trip, or setting up a full-time off-grid cabin, the B300 ensures you never run out of dependable electricity.
Beyond acting as a simple expansion pack, the B300 doubles as an independent, standalone power station. It is equipped with its own array of DC outputs, allowing you to directly charge laptops, smartphones, car refrigerators, and other essential devices without needing to connect it to a main inverter unit.
Key Features
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Massive Energy Storage: Each B300 module features an impressive 3,072Wh capacity.
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Exceptional Scalability: Connect multiple B300 units to compatible BLUETTI power stations to massively boost your backup reserves, doubling or even quadrupling your system’s overall capacity.
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Premium LiFePO4 Battery: Engineered with top-tier Lithium Iron Phosphate (LiFePO4) chemistry, the B300 guarantees over 3,500 life cycles before reaching 80% of its original capacity, ensuring years of safe and reliable use.
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Standalone DC Output: Leave the heavy inverter behind for short trips. The B300 features a 100W USB-C port, an 18W USB-A port, and a 12V/10A cigarette lighter port for direct device charging.
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Flexible & Fast Recharging: The built-in MPPT controller allows the battery to accept up to 200W of direct solar input. It also supports AC wall charging, car charging, and lead-acid battery charging (some methods require the D050S DC charging enhancer).
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Dual Charging Capable: Combine AC adapter charging with solar input simultaneously to achieve a maximum charging rate of 700W, drastically reducing your downtime.
Technical Specifications
| Feature | Specification |
| Capacity | 3,072Wh (51.2V, 60Ah) |
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Life Cycles | 3,500+ Cycles to 80% |
| Standalone Outputs | 100W USB-C, 18W USB-A, 12V/10A Car Outlet |
| Max Solar Input | 200W (VOC 12-60VDC, 10A) |
| Max Combined Input | 700W (AC Adapter + Solar Simultaneously) |
| Dimensions (LxWxD) | 20.5 x 12.5 x 10.5 in (52 x 32 x 26.6 cm) |
| Weight | 79.6 lbs (36.1 kg) |
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