SAVE 21%
Bluetti B300K Expansion Battery
EasternCTSportsCards
AUTHENTIC
EA
Easternctsportscards Power Banks & Power Stations · Official Collectibles
✓ Verified

EASTERNCTSPORTSCARDS

Bluetti B300K Expansion Battery

In StockBrand New Fast ShippingPower Banks & Power Stations
$251.99$317.51 SAVE 21%
Taxes and shipping calculated at checkout.
Available to order Selected variant
Choose your variant before adding
Quantity controls for your order
Delivery options and shipping charges shown at checkout.
Before your next pull

Check the product year, edition and format. Randomized pack contents vary; specific players or cards are guaranteed only when the product description says so.

Read the full product details ↓Ask a product question →
🏆
Know your purchase Review our return policy for eligibility, including sealed products.
100% Authentic

Every card is genuine and verified.

Factory Sealed

Collector-grade packing standards.

Fast Dispatch

Orders ship within 24 hours.

Easy Returns

30-day hassle-free returns.

Guaranteed safe checkout

Bluetti B300K Expansion Battery | 2,764.8Wh

Bluetti B300K is a 2764.8Wh expansion battery to handle all your power needs from extended outages or extreme outdoor adventures. Customize your energy solution with a stack of multiple B300K batteries or mix and match with B300 and B300S models to enjoy uninterrupted, unlimited power on the go.

B300K integrates with your AC200L, AC200MAX, AC300 AND AC500 power stations to upscale your energy bank to match your power needs. B300K also boasts of square LiFePO4 batteries and cutting-edge AI-BMS tech, a textbook guarantee for excellence in safety and reliability.

An unrelenting power source, the Bluetti B300K expansion battery is housed within a robust aluminum casing with a cooling fan in place to maintain its operating temperature and advanced wireless components. All you need is just 45 minutes with AC300 or AC500, and B300K is 80% juiced up to back you up.

A standalone power source, Bluetti B300K stands the test of time with 16% higher energy density, a super power within your reach.

Highlights:

  • Modular and expandable with max power of 33,177.6Wh
  • 2764.8Wh capacity with 4000+ life cycles
  • Seamless compatibility with BLUETTI AC200L, AC200MAX, AC300, AC500 for diverse energy needs
  • Automotive-grade LiFePO4 battery with cutting-edge AI-BMS technology
  • Standalone power source with convenient USB-A port
  • 3+1 years Warranty for extended, long-term reliability

Specifications:

BATTERY INFO

Model: B300K

Battery Capacity: 2,764.8Wh (51.2V, 54Ah)

Battery Type: LiFePO₄ (Lithium Iron Phosphate)

Life Cycles: 4,000+ Cycles to 80% Original Capacity

OUTPUT

USB-A: 12W Max., 5V / 2.4A

GENERAL

Net Weight: Approx. 65.04lbs

Dimensions (L × W × H): 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.

Expansion Port: 2 × 58.4VDC Max., 90A Max.

What's in the Box:

1 x B300K Expansion Battery

1 x Battery Expansion Cable CA90

1 x User Manual

—0 reviews

Collector feedback

Read feedback for this product.

Have a question before buying?

No written reviews are available here yet. Email us with the product name if you need help choosing.

Ask about this product →

Product specifications

Title Bluetti B300K Expansion Battery
Brand Easternctsportscards
Type Power Banks & Power Stations
Vendor Easternctsportscards
SKU Eeasr90H207383
Availability In Stock
Weight 2.2 lb
Options 3 variants

Tags

AC300+B300+P030AAffordable Portable GeneratorBest Portable Power Stationbest power stationBEST SELLERBest SellersBF24BFCMBluett Expansion BatteryBluettiBLUETTI AC300BLUETTI AC300 + B300 Solar Generator Kits

Collector notes

  • Sealed product contents are randomized by the manufacturer.
  • Factory print and packaging variation can occur and is not automatically a defect.
  • We do not guarantee specific pulls, autographs, or future card values.
  • Store sealed product in a cool, dry place away from direct sunlight.

What you can expect

🔍
Authenticity check

We source genuine product and pack it for collector-grade delivery.

📬
Tracked shipping

U.S. shipping with tracking after your order leaves our facility.

💬
Support

Questions? Email contact@EasternCTSportsCards.com with your order number.

Shipping

Available delivery options and shipping charges are shown at checkout. Check the product description for any release-date or preorder information.

Returns

Review our return policy before buying or opening sealed products. Contact us with your order number if an item arrives damaged or incorrect.

Shipping policy · Return policy

contact@EasternCTSportsCards.com