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.
SHIPPING
We ship with care from right here in the U.S. and through trusted global partners so your order arrives safely. Our goal is simple — get what you ordered to your door quickly and keep you in the loop the whole way.
Where We Ship
We currently ship to over 200 countries and regions. If we can’t deliver to your location for any reason, we’ll contact you immediately and issue a full refund.
Customs & Duties
International orders may go through customs in your country. Any fees or import taxes are set by your local authorities — we don’t control or collect those. Most customers don’t pay anything extra, but if you do, that cost is separate from your order.
Estimated Delivery Times
Shipping times vary depending on where you’re located. These are our typical windows:
| Location | Estimated Delivery |
|---|---|
| United States | 5–20 business days |
| Canada & Europe | 5–20 business days |
| Australia & New Zealand | 5–20 business days |
| Central & South America | 5–25 business days |
| Asia | 5–20 business days |
| Africa | 5–25 business days |
Tracking
You’ll get an email with a tracking link as soon as your order ships. If tracking hasn’t updated within 5 business days, please reach out — we’ll check for you.
Multiple Packages
Sometimes orders ship in more than one package to get items to you faster. You’ll always have tracking for each one.
RETURNS & EXCHANGES
Need to Cancel?
We understand — things change. If you need to cancel or adjust your order, just contact us within 12 hours of placing it. Once an order has shipped, we can’t cancel it mid-transit.
Our Refund Guarantee
Your satisfaction means everything. We’ll gladly offer a refund or replacement if:
- Your order never arrives within the guaranteed time (45 days + processing).
- The item arrives damaged or incorrect.
- You simply don’t want it anymore — as long as it’s unused and you cover return shipping.
When Refunds Don’t Apply
- If the wrong address was provided.
- If delays were caused by customs, natural disasters, or events outside our control.
Refund requests must be made within 15 days after the delivery guarantee ends. Reach out anytime on our Contact page.
Once we approve a return, your refund will go back to your original payment method within about 14 days.
Exchanges
Need a different size, color, or style? No problem — contact us first and we’ll walk you through the exchange process.
Tip: Please don’t send anything back until we confirm the return address — it helps avoid delays.
Need to Cancel an Order?
We get it — sometimes you click “buy” and change your mind. If your order hasn’t shipped yet, just reach out within 12 hours and we’ll cancel or update it for you. After your order has been packed and shipped, we can’t stop it in transit.
Our Refund Promise
Your happiness matters to us. If something goes wrong, we’ll work with you to make it right. You can request a refund or a replacement if:
- You didn’t get your order within the guaranteed delivery time (45 days plus normal 2-5 day processing).
- You received the wrong item or something arrived damaged — we’ll send the correct one or refund you.
- You changed your mind after it arrived — no problem, just send it back unused and we’ll refund the product (return shipping is on you).
When Refunds Don’t Apply
- If the address you gave us was incorrect or incomplete.
- If delays were caused by things outside our control (like customs issues or natural disasters).
Refund requests must be made within 15 days after the delivery guarantee period ends. Contact us anytime at our Contact page.
Once approved, refunds are processed back to your original payment method within about 14 days.
Exchanges
Need a different size, color, or style? Send us a message before returning anything. We’ll walk you through the exchange process to make it simple and fast.
What Our Customers Say
There are no reviews yet
Write a Review
We Think You’ll Love
Top picks just for you
