BLUETTI B300K Expansion Battery | Puerto Rico Exclusive - Immediate Pickup
- In stock, ready to ship
FREE Shipping in the 48 Contiguous States. Qualifying items are available to Alaska, Hawaii, Puerto Rico, Guam, Saipan & U.S. Territories.
Customers shipping outside the Lower 48 should select the shipping option that best fits their order at checkout. If additional shipping charges apply, we'll contact you before processing. Questions? Call, text, or WhatsApp 352-561-8443.
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Factory Warranty: 4 Year
BLUETTI B300K | 2764Wh Expansion Battery
IN STOCK IN PUERTO RICO — DELIVERS THIS WEEK
Puerto Rico exclusive — no mainland shipping delay
Delivered locally by our PR team
4-year Bluetti manufacturer warranty
Authorized dealer — full factory support
Local delivery fee: $40–$90 depending on your location.
Warranty Information
Full factory warranty applies to all customers, including island locations.
The only exception is warranty shipping to and from island locations, which is not included.
We offer a low‑cost 5‑year Replacement Shipping Protection plan that covers those shipping costs.
SKU: B300K
Product Description
The BLUETTI B300K Expansion Battery is a high-capacity energy storage solution designed to expand compatible BLUETTI power systems. With a substantial 2,764.8Wh capacity and advanced LiFePO4 battery chemistry, it delivers dependable backup power for home use, outdoor activities, emergency preparedness, and off-grid applications.
Built with automotive-grade LiFePO4 cells, the B300K is engineered for durability and long-term performance, offering over 6,000 life cycles at 80% capacity. Its robust design makes it an excellent choice for users seeking reliable energy storage with extended service life.
The B300K integrates seamlessly with compatible BLUETTI power stations, including AC200L, AC200MAX, AC300, AC500, and Apex 300 systems. When paired with Apex 300, users can significantly increase total energy storage capacity to support larger power requirements.
A convenient USB-A output port allows charging of compatible small devices directly from the battery, adding flexibility for everyday power needs.
Key Benefits
- High-capacity 2,764.8Wh energy storage
- Durable LiFePO4 battery technology
- Over 6,000 life cycles at 80% capacity
- Compatible with multiple BLUETTI power stations
- Supports large-scale energy expansion with Apex 300
- Built-in USB-A charging port
- Ideal for backup power and off-grid energy storage
- Long manufacturer-backed warranty coverage
Features
- 2,764.8Wh battery capacity
- Automotive-grade LiFePO4 battery cells
- 6,000+ cycle life at 80% capacity
- USB-A output port for device charging
- Expansion support for compatible BLUETTI systems
- Up to 100kWh expansion capability when used with Apex 300 configurations
- Dual expansion ports
- Durable construction for long-term use
What's in the Box
- BLUETTI B300K Expansion Battery
Warranty
BLUETTI provides an impressive 4-year manufacturer warranty coverage
Final Verdict
The BLUETTI B300K Expansion Battery is a dependable high-capacity energy storage solution designed for users who need expandable backup power.
Featuring a large 2,764.8Wh capacity, advanced LiFePO4 battery chemistry, and over 6,000 life cycles, it delivers long-lasting performance for home backup, outdoor use, emergency preparedness, and integrated power station expansion.
Shipping information
Free Shipping to the contiguous 48 United States.
Alaska, Hawaii, Puerto Rico, Saipan, Guam & U.S. Territories
These areas incur additional shipping charges on most items (typically $30–$400, depending on size, weight, and lithium battery regulations).
All shipments are fully insured.
Please message us for your exact shipping quote here
