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BLUETTI B300K Expansion Battery 2764.8Wh
BLUETTI B300K Expansion Battery 2764.8Wh
BLUETTI B300K Expansion Battery 2764.8Wh
BLUETTI B300K Expansion Battery 2764.8Wh
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BLUETTI B300K Expansion Battery 2764.8Wh

£899.00 RRP £1,498.50 (40.01 % Save)

Prices incl. VAT. Delivery information

Out of stock, contact us for lead time or a similar product recommendation

  • 40731
  • 29,50 kg
Bluetti B300K Expansion Battery – Expand Your Energy Storage The Bluetti B300K Expansion...more

Bluetti B300K Expansion Battery – Expand Your Energy Storage

The Bluetti B300K Expansion Battery is your go-to solution for enhancing the capacity of your Bluetti power system. With its robust 2764.8Wh storage and advanced LiFePO4 battery technology, the B300K ensures you have all the energy you need for extended off-grid adventures, emergency preparedness, or high-demand applications. Designed to integrate seamlessly with compatible Bluetti power stations, it’s the ultimate companion for those who need extra power without compromise.

Why Choose the Bluetti B300K Expansion Battery?

The B300K provides a significant energy boost, enabling longer runtimes for your devices and appliances. Whether paired with the AC300 or other compatible systems, this expansion battery is ideal for creating a scalable, modular energy solution. Its durable design, advanced safety features, and solar compatibility make it a reliable and eco-friendly choice for anyone seeking to maximize their power capabilities.

Key Features

  • Massive Capacity: 2764.8Wh of energy storage provides extended power for essential devices, tools, and appliances.
  • High-Performance LiFePO4 Battery: Built with lithium iron phosphate cells for safety, durability, and over 3,500 charge cycles.
  • Seamless Compatibility: Designed to work with Bluetti AC300 and other supported power stations for effortless integration.
  • Plug-and-Play Design: Quick and easy connection with no complicated setup required.
  • Solar Charging Capable: Works with Bluetti solar panels for renewable energy storage and off-grid applications.
  • Smart Battery Management System (BMS): Ensures safety with protection against overcharge, overheating, and short circuits.
  • Portable and Durable: Features a rugged design with built-in handles for easy transportation and reliability in tough conditions.

Applications

  • Home Backup: Add extra energy capacity for powering your home during extended outages.
  • Off-Grid Living: Extend your Bluetti system’s runtime for RVs, cabins, or remote workstations.
  • Emergency Preparedness: Stay ready for natural disasters with additional energy storage for critical devices.
  • Sustainable Energy Solutions: Pair with solar panels to create a green, cost-effective energy system.

Specifications

  • Battery Type: LiFePO4 (Lithium Iron Phosphate)
  • Capacity: 2764.8Wh
  • Lifecycle: Over 3,500 cycles to 80% capacity
  • Compatible Models: AC300 and other supported Bluetti systems
  • Weight: 29.5kg

Power Longer with Bluetti B300K Expansion Battery

Upgrade your energy system with the Bluetti B300K Expansion Battery. Whether for emergencies, off-grid living, or demanding applications, this high-capacity battery provides the extra power you need to stay connected and prepared. Pair it with your Bluetti power station and enjoy extended runtimes, reliability, and eco-friendly energy. Invest in your energy independence today!

Brand: Bluetti
Weight (kg): 29.5
Capacity: 2764.8Wh

Information according to manufacturer. Subject to errors and changes.

CUSTOMER REVIEWS
5 Feb 2026

B300K expansion battery

This is a great battery, I bought it to expand on to our AC200MAX, you get the link cable in the box with the battery so linking together to max was super easy, now have over 4500wh of off grid power.

1 Jul 2025

Good bluetti battery

Good bluetti battery ,ordered for ac500.
Fast delivery and all good service thanks

12 Mar 2025

Exellent Service !

5* in every way

Show all reviews
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Customer evaluation for "BLUETTI B300K Expansion Battery 2764.8Wh"
5 Feb 2026

B300K expansion battery

This is a great battery, I bought it to expand on to our AC200MAX, you get the link cable in the box with the battery so linking together to max was super easy, now have over 4500wh of off grid power.

1 Jul 2025

Good bluetti battery

Good bluetti battery ,ordered for ac500.
Fast delivery and all good service thanks

12 Mar 2025

Exellent Service !

5* in every way

6 Mar 2025

B300k battery

These batteries are great I've been expanding my ac300 and these batteries are normally between £1000-£1400 so they are priced here very very well the batteries come through well packaged and delivered very quickly thanks so much and for the free hoody that was awesome ???

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