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Bluetti B300K2 Expansion Battery Module | 2,764.8Wh LiFePO4 | AC200L, AC200MAX, AC300, AC500, Apex300 Compatible | 3+1 Year Warranty

Discover the ultimate energy solution with the Bluetti B300K2 Expansion Battery. Boasting an impressive 2764.8Wh capacity and designed for over 4,000 life cycles, this powerful battery is not just an accessory but a game changer for your energy needs—whether for daily use or as a reliable backup during outages. With cutting-edge automotive-grade LiFePO₄ technology, you can trust that your power source is safe and built to last.

Main Advantages:

  • Seamless Compatibility: Effortlessly integrates with BLUETTI AC200L, AC200MAX, AC300, and AC500 power stations, making it easy to expand your energy system.
  • Maximize Your Power: Expand your energy capacity up to a massive 33,168Wh when connected with AC500, catering to diverse energy needs.
  • Portable Power Hub: Charge essential devices anytime with the convenient USB-A port, ensuring you stay connected wherever life takes you.

Why This Product is Essential:

In a world where power is crucial, the Bluetti B300K offers unparalleled reliability and peace of mind. Its robust design and long lifespan make it an essential investment for anyone needing consistent and dependable energy—be it for camping, emergency backup, or daily activities.

Product Specifications:

B300K2 Battery Expansion Specifications
Battery Capacity 2,764.8Wh (51.2V, 54Ah)
Battery Type LiFePOâ‚„ (Lithium Iron Phosphate)
Life Cycles 4,000+ Cycles to 80% Original Capacity
USB-A 12W Max., 5V / 2.4A
Net Weight Approx. 29.5kg (65.04lbs)
Dimensions (L × W × H) 525 × 327 × 209mm (20.67 × 12.87 × 8.23in)
Charging Temperature 0°C to 40°C (32°F to 104°F)
Discharging Temperature -20°C to 40°C (-4°F to 104°F)
Storage Temperature Up to 1 month -20°C to 40°C (-4°F to 104°F) Up to 6 months -20°C to 25°C (-4°F to 77°F)
Working Humidity 5% to 95%RH
Charging Current 60A Max. (Current may decrease outside specified temperatures)
Discharging Current 70A Max.
2 × Expansion Port 58.4VDC Max., 90A Max.

Manuals and Guides:

For more information on setup and usage, refer to the Product Manual and available guides on the Bluetti website.

Warranty and Support:

The B300K comes with a 3+1 Years Warranty*, ensuring you can rely on this battery for years to come. For warranty claims and more information, contact our customer service team at service@bluettipower.com.

 

What's Included:

  • 1 x Bluetti B300K2 Expansion Battery

  • 1 x CA90 Battery Expansion Cable

  • Documentation

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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