Bluetti B500K

1,799.00 

The BLUETTI B500K is a high-density 5,120Wh LiFePO4 expansion battery engineered to supercharge the capacity of compatible power systems like the Apex 300, AC500, and AC200L. Featuring 4,000+ charging cycles, an ultra-resilient wireless internal framework, and scalable configurations scaling up to 100kWh, it provides the massive structural energy storage required for complete home backup and off-grid autonomy.

3 in stock

Description

Overview of Bluetti B500K

The BLUETTI B500K is a high-capacity 5,120Wh expansion battery built to extend the runtime of compatible BLUETTI power systems. It is designed for users who need more stored energy for home backup, off-grid living, cabins, workshops, and mobile power setups.

With EV-grade LiFePO4 battery chemistry, a modular design, and compatibility with select BLUETTI ecosystems, the B500K is made for dependable energy storage where long service life and scalable capacity matter most.

Why choose the BLUETTI B500K

The B500K is best suited to buyers who want to expand storage without replacing their existing power system. It serves as a large battery block that can work with compatible BLUETTI units to increase total available energy for essential appliances and backup use.

  • 5,120Wh capacity for substantial energy storage
  • LiFePO4 battery chemistry for stable, long-life performance
  • Scalable design for larger backup or off-grid systems
  • Compatible with select BLUETTI platforms including Apex 300, AC500, AC300, AC200L, AC200MAX, and B300K

Key features of the BLUETTI B500K

Large-capacity energy storage

With a nominal energy capacity of 5,120Wh, the B500K provides a strong foundation for expanding total system runtime. This makes it suitable for keeping critical loads powered for longer periods during outages or periods away from the grid.

EV-grade LiFePO4 battery cells

The unit uses lithium iron phosphate chemistry, which is known for thermal stability and long cycle life. According to the product details, it is rated for 4,000+ cycles to around 80% capacity.

Modular ecosystem integration

The B500K is designed to work within a wider BLUETTI ecosystem. It can connect with compatible control systems and accessories to support larger home backup or mobile energy installations.

Heavy-duty build and thermal management

The battery module is engineered with a streamlined internal architecture that helps reduce cabling complexity and improve thermal dissipation. Its battery management system supports safe operation within the stated charging and discharging ranges.

Technical specifications

  • Nominal energy capacity: 5,120Wh (5.12kWh)
  • Battery chemistry: EV-grade LiFePO4
  • Cycle life: 4,000+ cycles to about 80% capacity
  • Max charging input current: 65A
  • Max discharging output current: 70A
  • Expansion ports: 2 proprietary heavy-duty expansion ports
  • System compatibility: Apex 300, AC500, AC300, AC200L, AC200MAX, B300K
  • Dimensions: 520 × 327 × 308.5 mm
  • Weight: 45 kg

What’s in the box

  • 1 x BLUETTI B500K expansion battery module
  • 1 x CA90 short battery expansion cable or P090A long expansion cable, depending on the kit
  • 1 x user manual
  • 1 x warranty registration card

Frequently asked questions

What is the BLUETTI B500K used for?

The B500K is used to expand energy storage in compatible BLUETTI systems. It is intended for backup power, off-grid use, and larger residential or mobile energy setups.

Does the BLUETTI B500K include an inverter?

No. The B500K is an expansion battery module and does not include an integrated AC inverter. It must be used with compatible BLUETTI equipment.

Which BLUETTI systems are compatible with the B500K?

According to the product information, it is compatible with Apex 300, AC500, AC300, AC200L, AC200MAX, and B300K systems.

How much storage does one B500K provide?

One unit provides 5,120Wh, or 5.12kWh, of nominal energy capacity.

Is the B500K suitable for home backup?

Yes, it is designed to support home backup applications when used with compatible BLUETTI systems. Actual runtime depends on the loads connected and the overall system configuration.

What battery type does the B500K use?

The B500K uses LiFePO4, also known as lithium iron phosphate, which is commonly chosen for its stability and long cycle life.

Buy the BLUETTI B500K in Greece

If you are looking for a high-capacity BLUETTI expansion battery in Greece, the B500K offers a practical way to build more energy storage into an existing compatible system. It is a strong option for buyers prioritizing modular backup power and long-term reliability.

About brand
Bluetti at Yellystone Outdoors offers a specialised range of portable power stations, solar batteries, energy storage solutions, expansion batteries and power equipment designed for customers who need dependable electricity for camping, outdoor adventures, van life, RV travel, off-grid use, mobile work and emergency backup power. Known for practical and modern energy products, Bluetti is a strong brand choice for shoppers looking for efficient, portable and high-capacity power solutions that support life outdoors and reliable backup electricity when needed. The current Bluetti collection at Yellystone Outdoors features 12 products, giving customers a focused selection of portable power stations, an inverter and an expansion battery across categories such as Power & Electronics, Battery Management Systems, Electricity, Power Stations, Inverters & Converters and Solar Batteries & Storage Systems. The range includes the Bluetti AC180P Power Station, Bluetti AC200PL Power Station, Bluetti AC2P, Bluetti AC300 Inverter, Bluetti AC50P Power Station, Bluetti Apex 300 Power Station, Bluetti B500K Expansion Battery, Bluetti Elite 320 Portable Power Station, Bluetti Premium 100 V2 Power Station, Bluetti Premium 200 V2 Power Station, Bluetti Premium 30 V2 and the Bluetti X20 Portable Power Station. :contentReference[oaicite:1]{index=1} This product mix makes the brand page highly relevant for customers searching for Bluetti power stations, portable battery power, camping power stations, solar-compatible power storage, backup power systems, off-grid electricity solutions and portable energy equipment. Models such as the Bluetti AC180P Power Station, Bluetti AC200PL Power Station, Bluetti AC50P Power Station and Bluetti X20 Portable Power Station help strengthen the page for users comparing compact and mid-range portable power stations for travel, outdoor use and everyday backup needs. :contentReference[oaicite:2]{index=2} For customers who need higher-capacity or modular energy setups, the Bluetti range also includes products such as the Bluetti AC300 Inverter and the Bluetti B500K Expansion Battery. These listings make the brand page useful for buyers looking into expandable battery storage, portable inverter systems, advanced backup power solutions and more flexible energy systems that can support larger power demands. Products such as the Bluetti Apex 300 Power Station and Bluetti Elite 320 Portable Power Station add further relevance for shoppers interested in modern solar batteries and storage systems and performance-led portable energy solutions. :contentReference[oaicite:3]{index=3} The Bluetti range at Yellystone Outdoors is well suited to customers who want practical power for lighting, mobile devices, laptops, portable fridges, small appliances, outdoor equipment and emergency essentials during travel or temporary outages. Whether the goal is building a reliable camping power setup, supporting an RV or caravan electricity system, preparing for home backup power or choosing a flexible solution for off-grid living, Bluetti portable power products fit a wide range of energy needs and usage scenarios. Yellystone Outdoors is a strong destination for shoppers looking for Bluetti portable power stations, solar batteries, energy storage products, portable inverters, expansion batteries and dependable off-grid power solutions. By offering a curated Bluetti range in one place, Yellystone Outdoors helps customers compare trusted portable power equipment for camping, travel, outdoor work, van life, emergency electricity and long-term energy independence.