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B300K for AC300/AC200L

2,764.8Wh Expansion Battery

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  • 2,764.8Wh Capacity with 4,000+ Life Cycles: Perfectly designed for daily power needs or as a reliable backup during outages.
  • Automotive-Grade LiFePO₄ Battery: Enjoy an extended lifespan and enhanced safety with cutting-edge battery technology.
  • Seamless Compatibility: Effortlessly integrates with BLUETTI AC200L, AC200MAX, AC300, and Apex 300 power stations.
  • Maximize Your Power: Expand up to a massive 33,168Wh when connected with AC300 or AC500 for diverse energy needs.
  • 3+1 Years Warranty*: Long-term reliability guaranteed to ensure your battery is well protected.
  • Standalone Power Source: Charge your essential devices anytime with the convenient USB-A Port.
  • Register HERE for an extended warranty


Product Model

*One CA90 short cable and one P090A long cable are already included.

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Power Expansion for Every Situation

The B300K adapts to your life, whether you're safeguarding your home during outages or powering an off-grid adventure. Stack multiple B300K batteries, or mix and match with B300 for a customized energy solution that ensures you're never caught without power, no matter where you are.


Great Compatibility for More Possibilities

The B300K seamlessly integrates with AC200L, AC200MAX, AC300, and AC500* power stations, giving you the flexibility to scale your energy setup as your needs grow. Whether you're prepping for more power at home or gearing up for your next adventure, the B300K has you covered. * A P090D to P150D cable is required for connecting with AC300/AC500 and sold separately.

Built to Protect, Designed to Last

The B300K is designed to excel in safety and reliability. Featuring square LiFePO₄ batteries and cutting-edge AI-BMS technology, together with a robust aluminum casing, advanced wireless components, and efficient cooling fan ensure this battery stands the test of time, giving you a power source you can count on in any situation.

Fast Charging Comes in Handy

When paired with the AC300 or AC500, this battery charges up to 80% in just 45 minutes, so you can get back to what matters without any significant interruption, your work, activities, or emergencies ...whether you're at home or on the go.

A Standalone Power Source, A Standout Performance

The B300K isn't just an add-on; it's also a versatile power hub. With a USB-A port, it's perfect for keeping your essentials like smartphones, tablets, or fans charged, whether you're ready to make an urgent call or message, eager to share beautiful moments with your friends, or try to stay cool while camping in a tent. Power is always within reach, wherever life takes you.

Tech Specs

IN THE BOX

B300K Expansion Battery

x 1
B300K Expansion Battery

Battery Expansion Cable (P090A)

x 1
Battery Expansion Cable (P090A)

CA90 Short Cable

x 1
CA90 Short Cable

User Manual

x 1
User Manual

FAQs

A: Once you receive your product, please register to claim your warranty on our website.

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