SKU: 55201232895

BLUETTI B300K Expansion Battery | 2,764.8Wh

Sale price$1259.55 Regular price$1399.50
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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Description

BLUETTI B300K Expansion Battery | 2,764.8WhPower 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, and B300S models for a customized energy solution that ensures you're never caught without power, no matter where you are. *Need P150D to P090D cable to connect the AC500. AC300 + B300K The B300K adapts to your life, whether you're

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, and B300S models for a customized energy solution that ensures you're never caught without power, no matter where you are.
*Need P150D to P090D cable to connect the AC500.

AC300 + B300K
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.

AC500 + B300K 
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 or B300S 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 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.

Specifications:

BATTERY INFO

  • Capacity

    2,764.8Wh (51.2V, 54Ah)

  • Type

    LiFePO₄ (Lithium Iron Phosphate)

  • Life Cycles

    4,000+ Cycles to 80% Original Capacity

OUTPUT

  • USB-A Port

    12W Max., 5V / 2.4A

GENERAL

  • Weight

    Approx. 29.5kg (65.04lbs)

  • Dimensions (L x W x D)

    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.

  • Warranty

    4 Years

IN THE BOX

  • B300K Expansion Battery
    x 1
  • Battery Expansion Cable (P090A)
    x 1
  • User Manual
    x 1
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: 55201232895

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★★★★★ 5
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Reviewed in the United States on January 12, 2026
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★★★★★ 5
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