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BLUETTI B300K Expansion Battery | 2,764.8Wh

by Bluetti
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Original price $1,499.00
Original price $1,499.00 - Original price $1,499.00
Original price $1,499.00
Current price $1,199.00
$1,199.00 - $1,199.00
Current price $1,199.00

In Stock & Ready to Ship

All orders are shipped within 1-2 business days. Product ETA 5-7 business days.

BLUETTI B300K Expansion Battery | 2,764.8Wh – Ultimate Power Solution for Your Home & Outdoor Needs

Upgrade your solar generator system with the BLUETTI B300K Expansion Battery, a high-capacity 2,764.8Wh lithium battery designed to maximize the performance of your portable power station. Whether you're looking for a generator for home backup, off-grid living, or outdoor adventures, this expansion battery ensures you have reliable, uninterrupted power.

Key Features:

  • Massive 2,764.8Wh Capacity – Power your essentials for extended periods.
  • Seamless Integration – Expand your BLUETTI portable generator for increased runtime.
  • Solar Powered Generator Ready – Recharge with BLUETTI solar panels for clean, renewable energy.
  • Versatile Home Generator Solution – Ideal for emergencies, RVs, off-grid cabins, and more.
    Durable & Efficient – Built with premium LiFePO4 battery cells for long-lasting performance.

Perfect for enhancing your BLUETTI solar generator, the B300K is the best choice for anyone seeking a reliable, portable power station. Stay powered anywhere—whether at home, camping, or during a blackout.

Upgrade your BLUETTI system today with the B300K Expansion Battery! 🔋☀️

Specification

Battery Info 

Model 

B300K 

Battery Capacity 

2,764.8Wh (51.7V, 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. 29.5kg ( 65.04lbs)

Dimensions (LxWxH)

525 x 327 x 209mm (20.67 x 12.87 x 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. 

2x Expansion Port 

58.4VDC Max., 90A Max.

 

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