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Portable 2764Wh Expansion Battery for Power Stations, LiFePO4 Backup for Off-Grid and Home Use

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Portable 2764Wh Expansion Battery for Power Stations, LiFePO4 Backup for Off-Grid and Home Use

Expand Your Power Potential with the 2764Wh LiFePO4 Expansion Battery

Never worry about running out of power again with this high-capacity expansion battery. Designed to work seamlessly with compatible power stations, this 2764Wh battery offers versatile, reliable energy storage for all your needs. Whether you’re powering up appliances during an outage, going on a camping adventure, or off-grid living, this expansion battery guarantees continuous, safe, and efficient power. Equipped with cutting-edge technology and a robust design, it ensures your devices remain powered when you need them the most.

Key Features of the LiFePO4 Expansion Battery

  • Massive 2764Wh Capacity: This powerful battery gives you enough capacity to keep your essential devices running for hours. Perfect for home, outdoor use, or on the go.
  • Power Lifting Mode: Capable of supporting pure resistive loads up to 3,900W, this battery can easily power everyday essentials like hairdryers, coffee makers, or electric blankets.
  • Fast Charging Technology: The battery charges up to 80% in just 45 minutes when paired with compatible units, reducing downtime and ensuring quick power availability.
  • Flexible Power Setup: Stack multiple B300K batteries together or combine them with other expansion models (B230, B300S) to create a custom energy solution that grows with your needs.
  • Safe and Reliable: Built with top-tier LiFePO4 batteries, this unit ensures 4,000+ charge cycles and features advanced BMS technology to protect against overcharging, overheating, and overcurrent.
  • Versatile Connectivity: The unit includes multiple expansion ports and a USB-A port, offering you the flexibility to power various devices simultaneously, from small electronics to larger appliances.

Perfect for Outdoor Adventures, Power Outages, and More

This expansion battery is the ideal companion for a variety of scenarios. Whether you’re preparing for an emergency power outage at home, embarking on an outdoor adventure, or living off the grid, the B300K ensures you have reliable, sustainable power wherever you are. Its compact and stackable design makes it easy to transport, so you can take it anywhere—from your RV or camper to your weekend retreat in the mountains. When combined with solar panels, you can take advantage of renewable energy, ensuring that you are always connected to the power you need, no matter where life takes you.

Why Choose the 2764Wh Expansion Battery?

This expansion battery is designed to be the ultimate solution for those who demand more from their power sources. With its massive capacity, fast-charging capability, and ability to support high-power devices, it’s perfect for any situation where reliability and performance matter. Whether you’re dealing with an emergency, or simply need a portable energy source for your travels, this battery is engineered to perform. The added benefit of its long battery life and built-in safety features means you can rest assured knowing you’ll always have the power you need when you need it most.

Upgrade your energy setup with the 2764Wh LiFePO4 Expansion Battery. Whether you’re at home, on the road, or in the great outdoors, this powerful, reliable battery ensures your devices stay charged, and your life remains uninterrupted.

4 GREAT REASONS TO BUY FROM US:

  • Over 37,000 happy customers worldwide
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  • The finest materials and stunning design — all our products are developed with an obsessive dedication to quality, durability, and functionality
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Our mission is to make your shopping experience as safe and enjoyable as possible. Have questions? Feel free to contact our award-winning customer care team for advice on everything from product specifications to order tracking.

  • Money back guarantee: Something not quite right? If you’re not totally satisfied with your purchase, you can return it within 15 days for a full refund
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Shipping & Delivery

How much does shipping cost?

We are glad to bring our customers great value and service. That’s why we provide fast shipping from our Fulfillment Center in California by UPS and USPS.

What countries are you delivering to?

As of now, we’re delivering to the United States only.

How can I track my parcel?

Once your parcel has left our Fulfillment Center, you will receive an email with a tracking number to monitor your parcel movements.

Can you ship my order to a business address?

Yes, you can write your business address in your order details if it’s more convenient to you.

Can you ship my order to a PO Box address?

Yes, you can select delivery to a PO Box if it’s more convenient to you.

Can you ship my order to APO or FPO military addresses?

Yes, we ship anywhere in the United States, and to all US territories and military APO/FPO addresses.

What happens to my parcel if it is delivered while I’m not there?

Depending on the destination and the package size, your parcel will be left in your mailbox or on your porch, or it may be left with a neighbour.

FAQs

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Simply type the product name in the Search Bar at the top of any page. Try to enter a general description. The more words you use, the less products you will get on the results page. When you find a product you’re interested in, simply click on its name or image for more details.

Do I need to create an account to place an order?

It’s not a must: you can place your order even if you don’t have an account or aren’t logged in..

How do I place an order?

On the product page with the item you like, select the color or other product variation (if there are any) that you like the most, and click on the Add to Cart button.

As soon as you’ve added everything you wanted to your cart, click on the Proceed to Checkout button.

You will see the list of items you’re ordering, and will be able to remove, add, or edit anything if necessary.

Make sure your shipping details are filled in correctly, and click on the Complete Order button. Finally, select the payment method that’s most convenient to you, and check out.

How do you protect my personal details when I register and check out?

We offer the highest security possible at all times to make sure the online transactions keep your personal information safe..

Following the industry standards, we use the Secure Sockets Layer (SSL) technology to encrypt the information you share with us such as your name, address, and payment details..

Can I buy your items and send them to someone as a gift?

Yes! Simply use this person’s address as the shipping address when you place an order. There will be no price tags on or within the package!.

Can I change or cancel my order?

Yes, if your order has been paid and you need to change or cancel it, you can do this within 12 hours of placing it..

To edit your order details or cancel the purchase, simply use the Contact Us form to send us an email..

An item is missing, wrong, or damaged in my package. What should I do?

We're sorry it’s happened to you! Kindly use the Contact Us form to get in touch with us and tell all the order details so that we could sort it out for you..

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