Perfect Companions
Description
Reliable Power, Anywhere, Anytime
Why Choose BLUETTI B300K Expansion Battery?
Whether you're protecting your home during unexpected outages or embracing the freedom of off-grid living, the BLUETTI B300K Expansion Battery offers versatile energy solutions tailored to your needs. With a substantial 2,764.8Wh capacity and over 4,000 charge cycles, this LiFePO4 battery is designed to provide reliable, long-lasting power that keeps pace with your lifestyle.
Generation Eco Store understands the importance of dependable energy sources. We are here to assist you in selecting the ideal battery to seamlessly integrate with your existing energy setup, ensuring your power needs are effortlessly met with quality and efficiency.
Customizable & Fast Recharge
Stack multiple B300K units or mix with B300 and B300S models for expanded capacity up to 33,177.6Wh when connected with the AC500. Enjoy flexible charging options via AC, solar, or car power sources, along with rapid recharge capabilities—up to 80% in just 45 minutes when paired with compatible units—minimizing downtime and maximizing convenience.
Key Specifications
| Specification | Values |
|---|---|
| Capacity | 2,764.8Wh (51.2V, 60Ah) |
| Cell Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Life Cycles | 4,000+ Cycles to 80% Original Capacity |
| USB-A Port | 1 x 12W Max., 5V / 2.4A |
| Recharge Time | Up to 80% in 45 minutes (with AC300 or AC500) |
| Weight | 65.4 lbs (29.5 kg) |
| Operating Temperature | -4℉ to 104℉ (-20℃ to 40℃) |
| Certifications | UL2743, UKCA, RCM, PSE, FCC, CE |
Specifications & Dimension
What's in the Box?
Guides & More
Shipping Policy
- Free & Fast Shipping
We offer free shipping on most Bluetti Expansion Battery orders across the lower 48 states, using the most reliable freight partners. Orders typically ship within 5 business days, with tracking provided within 24 hours of dispatch. - Tracking & Delivery Scheduling
You’ll receive an order confirmation email immediately after placing your order. Tracking details are usually shared within 3–5 business days. Please review your shipping address carefully—corrections after shipment may incur a fee. - Important Shipping Notes
Ensure your location can accommodate freight deliveries. Additional charges may apply for access-restricted areas, remote locations, or deliveries requiring special transport (e.g., ferry or plane).
See our full Shipping Policy here
Return Policy
- Hassle-Free Returns
We offer a 30-day return window from the date you receive your item. Items must be unused, in original packaging, and accompanied by proof of purchase. Some items may incur a 15–25% restocking fee, especially larger freight-shipped products. Cancellations made before shipping will incur a 3-5% processing fee. - Damaged or Special Orders
Please report any damages within 24 hours of delivery. Installed or opened items may not be returnable. Select brands such as Victron and Pytes may be non-returnable based on manufacturer policies.
See our full Return Policy here
"What we'd tell a friend"
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Expandable Capacity
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Customize your power setup by stacking multiple B300K batteries or combining with B300 and B300S models. Compatible with the AC500, you can achieve a maximum capacity of 33,177.6Wh to meet all your power needs.
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Rapid Recharge
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Recharge your B300K battery up to 80% in only 45 minutes when paired with compatible chargers like the AC300 or AC500. This fast recharge capability reduces downtime and enhances your energy independence.
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Temperature Adaptive
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The B300K battery features a Temperature Adaptive Function that ensures reliable performance even in freezing conditions. This means you can trust your battery to work efficiently regardless of colder weather challenges.