1121 — Quality Products, Fast Delivery Worldwide

Why Shop With Us

Frequently Asked Questions

How long does shipping take?
Standard shipping takes 7-15 business days. Express shipping takes 3-7 business days.
What is your return policy?
We offer a 30-day money-back guarantee on all orders.
Do you ship internationally?
Yes! We ship to over 150 countries worldwide with tracked shipping.
Are payments secure?
All payments are processed through Stripe with 256-bit SSL encryption.
How can I track my order?
Use the Track Order page with your order number to see real-time status.
BLUETTI B500K EXPANSION Battery | 5120WH
Bluetti Sale

BLUETTI B500K EXPANSION Battery | 5120WH

$4,499.00

Option: Default Title

Quantity

1
Buy Now
Secure Checkout
Free Shipping $49+
30-Day Money Back
Worldwide Delivery
Bluetti

Product Description

Why Choose BLUETTI B500K?

Extend Your Backup Time

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

Home Backup

Camping

Up to 100 kWh Massive Expansion

Increase your energy storage as needed, from 5.12 kWh to over 100 kWh*. The B500K battery is compatible with various BLUETTI power stations for easy, cost-effective upgrades. *Note：Achieved with 3*Apex 300 + 18*B500K units

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. Note: P090D to P150D cable is required for connecting with AC500 and sold separately.

Home & Off-Grid: Harvest up to 4,000 W solar with SolarX 4K.

Mobile Charging: Charge from your car and solar at 1,000 W with the Alternator Charger.

DC Power Supply: Connect to Hub D1 for 700 W Max DC power.

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： Fordable Trolley 2 sold separately.

Tech Specs

IN THE BOX

  • B500K Expansion Battery
    x 1
  • Battery Expansion Cable (CA90 Short Cable)
    x 1
  • User Manual
    x 1

Frequently Asked Questions

How much does the BLUETTI B500K EXPANSION Battery | 5120WH cost?▾

The BLUETTI B500K EXPANSION Battery | 5120WH is priced at $4499.00. Free shipping is available on orders over $49.

How long does shipping take for the BLUETTI B500K EXPANSION Battery | 5120WH?▾

Orders typically ship within 24 hours. Standard delivery takes 7-15 business days depending on your location. offers worldwide shipping with tracking on every order.

What is the return policy for the BLUETTI B500K EXPANSION Battery | 5120WH?▾

offers a 30-day money-back guarantee on all products including the BLUETTI B500K EXPANSION Battery | 5120WH. If you're not satisfied, you can return it for a full refund — no questions asked.

Is the BLUETTI B500K EXPANSION Battery | 5120WH a good choice for bluetti sale?▾

Yes, the BLUETTI B500K EXPANSION Battery | 5120WH is one of our top-rated products in the Bluetti Sale category, with a 4.8/5 star rating from our customers. It's designed for quality and reliability.

You May Also Like

Related Articles

BLUETTI B500K EXPANSION Battery | 5120WH
$4,499.00