BLUETTI B500K Expansion Battery | 5,120Wh

• 5.12 kWh, Lasts Up to 10 Years: Supplies reliable energy for years with over 4,000 cycles.
• Scalable to 100 kWh: Easily expands your setup for partial, whole-home, or even small business backup.
• Universal BLUETTI Compatibility: Works seamlessly with Apex 300, AC300, AC500, AC200L, AC200MAX, and upcoming models.
• Part of a Smarter Power System: Pairs with SolarX 4K, Hub D1, and more for clean, connected energy.
• More Durable & Safe: Wireless internal frame makes it resilient to real-world knocks and shocks.
• Wall or Trolley Setup: Mount to save space or move with ease for flexible, convenient use.

Up to 100 kWh Massive Expansion

Why Choose BLUETTI B500K?

Extend Your Backup Time

From outage protection to camping trip and off-grid working, the B500K keeps you powered for longer — more freedom and peace of mind.

Home Backup

Camping

Adapt to All Your Needs

The B500K either expands your BLUETTI power stations, or serves as a high-capacity power bank with ecosystem components, delivering 700 W DC output for your devices.

* A P090D to P150D cable is required for connecting with AC500 and sold separately.

Portable Power Station

Ecosystem

The B500K works with old, existing, or future BLUETTI power stations and expansion batteries.

Made It Safe, Reliable, and Long-lasting

The B500K adopts advanced LiFePO₄ batteries for over a decade of safe use. Its third-gen wireless internal design and efficient cooling fan ensure stable performance, even in challenging conditions.

Fixed or Movable Setup

Secure the B500K to the wall or rack of your home or RV using its mounting holes, or attach it to the Foldable Trolley 2* for a mobile power supply.

*Note: Sold separately.

Comparison

B500K for Apex 300