SKU: 47726374416

BLUETTI B300K2 Expansion Battery | 2764.8Wh | Battery For Apex 300

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Description

BLUETTI B300K2 Expansion Battery | 2764.8Wh | Battery For Apex 300The BLUETTI B300K2 Expansion Battery is designed to extend the energy capacity of compatible BLUETTI power stations, including the AC300, AC500, and APEX 300 models. It provides an additional 2,764. 8Wh of storage, supporting a wide range of energy needs from daily use to backup power during outages. With its integrated USB A output, the unit can also function independently to charge small devices such as smartphones, tablets, and other USB powered

The BLUETTI B300K2 Expansion Battery is designed to extend the energy capacity of compatible BLUETTI power stations, including the AC300, AC500, and APEX 300 models. It provides an additional 2,764.8Wh of storage, supporting a wide range of energy needs from daily use to backup power during outages.

With its integrated USB-A output, the unit can also function independently to charge small devices such as smartphones, tablets, and other USB-powered equipment. The stackable design allows for flexible system expansion, enabling users to scale their energy setup according to their requirements.

The battery uses LiFePO₄ (Lithium Iron Phosphate) technology, offering long cycle life and stable performance. Its durable construction and built-in battery management system support safe and reliable operation across different environments.

Important compatibility notes:

  • To connect to AC500, P150D to P090D cable and CA90 short cable are required
  • To connect to AC300, P090A long cable and CA90 short cable are required
  • These cables are no longer manufactured and are not available for purchase


Features

  • Provides 2,764.8Wh additional energy capacity for compatible systems
  • Compatible with AC300, AC500, and APEX 300 power stations
  • Integrated USB-A port for direct device charging
  • LiFePO₄ battery chemistry with over 4,000 charge cycles
  • Stackable design for scalable energy storage solutions
  • Built-in battery management system for operational safety
  • Durable aluminum casing for improved reliability
  • Supports expansion up to 33,177.6Wh when used with AC50


Specifications

  • Model: B300K2
  • Battery Capacity: 2,764.8Wh (51.2V, 54Ah)
  • Battery Type: LiFePO₄ (Lithium Iron Phosphate)
  • Cycle Life: 4,000+ cycles (to 80% capacity)
  • USB-A Output: 12W Max., 5V / 2.4A
  • Total Capacity: 2,764.8Wh
  • Weight: 29.5kg (65.04lbs)
  • Dimensions (L×W×H): 52.5 × 32.7 × 20.9 cm (20.67 × 12.87 × 8.23 in)
  • 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 (may reduce outside optimal temperatures)
  • Discharging Current: 70A Max
  • Expansion Ports: 2 × Ports, 58.4VDC Max., 90A Max
  • Compatibility: AC300, AC500, APEX 300


Manuals

User Manual included - Click here to download


Warranty

3-year manufacturer warranty covering defects in materials and workmanship

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 47726374416

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4.4 ★★★★★
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Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Stunning Review
Format: Paperback
I thought the book was a great book. The book is about a man who is a journey to Santiago. But on his journey he encounters a lot of paths that he needs to over come. He has to dig deep down and find the true him and over come many things. The purpose of this trip is so he can become a new person and do many new things that he has not done before. This will bring out a new him and this will help him as he goes on in life after this journey. The thing in the book that got me noteworthy was how he had the drive and how focused he was to make it to the end of his task. The strength of the book was it was very detailed and this was a very good thing. The weakness of the book to me was I thought the ending was just a little dry, I felt as tho they could have added just a little more to it. I like the authors writing style this was very good on how he wrote it. It was well written the words all followed very well and his was a great thing. I think the message of the book is to show you that no matter how hard things may get never give up. There is always a road of something to come at the end of everything. I would recommend this book to anyone who likes a book about a journey or a path in someones life. I think it is good to read as a class because you really get to see what others think of the book together. I also think if you like a book about a person that is going thro something in life that this is a good book. The book just expresses so many trails and then he some how over comes everything. So if you like to read go head and buy the book.
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Reviewed in the United States on October 13, 2015
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Malcolm
Chelsea, US
★★★★★ 4
I very much enjoyed the book
Format: Paperback
Malcolm A. Ivy The book " The Pilgrimage" written by Paulo Chelho, is a story about one man on a quest to find his sword. During his journey he encounters multiple aids , hazards, and traitorous tribulations, that has him question not only his phish all capabilities, but his mental capabilities as well.Accompanying him on this journey is his guide Petrus, who leads him down the road to Santiago. Teaching him many different ram practices along the road. Throughout the book we see Paulo's overall character develop ,and mature through many vigorous challenges. I very much enjoyed the book, for both content and overall story arch.I enjoyed the progression of all the characters, and looking into their minds, and experiencing their inner most thoughts. The story is extremely detailed, and vivid. This book always kept me on edge to see wether Paulo does in fact get his sword, or not. The book however did ramble at times, but in a nutshell it was rather intertwining for a book about two guys walking. I liked this book for the underlying message stating that the most hardest questions, often have the simplest answers. I highly recommend this book if you want to kill some time. This book has a lot to offer, and will leave you questioning your self, and your own thought process. You would never want to put this book down because it keeps you in a stage of Suspense. Mostly , because it's a book you can take, and learn from. So if you are looking for a book that makes you reflect, this is the book for you.
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Reviewed in the United States on October 13, 2015
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Greg Martin
Natrona Heights, US
★★★★★ 5
Great texture
These cleanser sponges have a nice texture, fairly rough but works great for men's skin.
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Reviewed in the United States on March 28, 2026
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Pygar
Charlottesville, US
★★★★★ 5
Nice and clean
So far so good. Does what it’s supposed to do and cleans the ole pores an removing dead skin. Lets see how long it’ll last, luckily you get 3 in the pack
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Reviewed in the United States on April 15, 2026
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Verified Purchase
gas
Lexington, US
★★★★★ 5
Excellent for face
Works great. Seems rough but after the first use it softens.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2026

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