BLUETTI B300 Expansion Battery | 3072Wh
$1,999
The BLUETTI B300 is a high-performance energy reservoir designed to push your power limits. With a massive 3072Wh capacity and the ability to function as a standalone power source, it is the ultimate expansion for the AC300, AC200MAX, and AC200P series, providing reliable energy for home backups and long-range trips.
Massive Capacity: 3,072Wh of premium LiFePO4 energy storage
Standalone Power: Integrated 100W USB-C, 18W USB-A, and 12V/10A car ports
Fast Solar Charging: Built-in MPPT for up to 200W of direct solar input
Extreme Durability: 3,500+ life cycles to 80% original capacity
System Integration: Seamlessly doubles or triples capacity for BLUETTI AC series
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Professional-Grade Energy Expansion Battery with the BLUETTI B300
The BLUETTI B300 Expansion Battery is engineered for those who demand total power security and versatility. While it serves as the primary building block for the modular AC300 system, its advanced design allows it to transcend the role of a simple add-on. Whether you are expanding your home’s emergency reservoir or looking for a high-capacity energy hub for off-grid living, the B300 offers the perfect blend of high energy density and rugged reliability.
High-Performance LiFePO4 and B300 Expansion Battery Reliability
At the heart of the B300 expansion battery is high-stability Lithium Iron Phosphate (LiFePO4) chemistry. This industrial-grade battery technology is designed for the long haul, offering over 3,500 life cycles. This ensures that even with heavy daily use, the B300 will provide consistent power for over a decade. When integrated with an AC200MAX or AC300 series station, the B300 can double or even quadruple your total runtime, allowing you to power heavy-duty appliances like refrigerators and microwave ovens through extended outages.
Standalone Versatility for Travel and Emergencies
The B300 is a “Versatile Power Source” that doesn’t always need a host to be useful. Equipped with its own array of outputs—including a 100W USB-C port for laptops, an 18W USB-A port for mobile tech, and a 12V DC outlet—it functions as a massive standalone power bank. This makes it an ideal companion for camping trips where you need a high-capacity, portable energy source to keep lights, fans, and smartphones running without the bulk of a full-sized inverter.
Intelligent Recharging and MPPT Integration
Staying powered is effortless thanks to the B300’s flexible recharging options. Unlike standard expansion batteries, the B300 features a built-in smart MPPT controller, allowing it to recharge quickly via direct solar input at a 200W scale. Additionally, it supports AC wall charging, car charging, and lead-acid battery inputs (via the D050S enhancer). Whether you are harnessing the sun at a remote campsite or topping off from a wall outlet at home, the BLUETTI B300 ensures your “Home Backup and Trip Power Bank” is always ready for the next challenge.
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