Bluetti B300K Expansion Battery | 2,764.8Wh

Unlock more power and energy independence with the Bluetti B300K Expansion Battery — a cutting-edge 2,764.8Wh lithium iron phosphate (LiFePO₄) battery built to expand your Bluetti modular power system and supercharge your off-grid life.

Perfect for home backup, camping, RVs, and critical job site power, the B300K is engineered to pair seamlessly with the Bluetti AC300, AC500, and EP500Pro systems. With ultra-durable cell chemistry and fast-charging capabilities, this battery gives you reliable backup power whenever and wherever you need it.

🔋 Key Features of the Bluetti B300K Expansion Battery

Massive Capacity: 2,764.8Wh of clean, dependable power
Long Life: 3,500+ charge cycles to 80% capacity (LiFePO₄)
High Compatibility: Works with Bluetti AC300, AC500, and more
Flexible Charging: Supports solar, AC, and car charging (when used with host units)
Pass-Through Power: Keep using power while charging
Smart Battery Management System (BMS): For safe, efficient charging

📦 What's in the Box

1 x Bluetti B300K Expansion Battery
1 x Battery Expansion Cable
1 x User Manual
1 x Warranty Card

📊 Specifications

Battery Type	LiFePO₄ (Lithium Iron Phosphate)
Capacity	2,764.8Wh
Lifespan	3,500+ cycles to 80% capacity
Output Port	Battery Expansion Port Only
Dimensions	20.5 x 12.6 x 10.4 inches
Weight	83.8 lbs (38 kg)
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-10°C to 45°C (14°F to 113°F)

💡 Why Choose the Bluetti B300K?

This isn’t just an expansion battery—it’s peace of mind. Whether you're planning for a power outage or powering your RV on a long road trip, the B300K gives you flexibility, freedom, and long-lasting energy security. It’s the perfect add-on for those who are serious about energy storage and off-grid capability.

Shop now and take control of your power future. Want to expand your power setup even further? Check out our full collection of Cummins Generators — perfect for full home backup and hybrid energy systems.

🎥 Watch It in Action

📞 Have Questions?

We're here to help! Contact us at support@allprogenerators.com or call us at (555) 555-5555 for expert guidance on choosing the perfect power solution.

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