Bluetti B300K Expansion Battery: Scalable Energy Reserves for Maximum Independence
The Bluetti B300K expansion battery is the perfect power reserve for demanding users, emergency power preparedness, and power-hungry off-grid setups. With an impressive capacity of 2,764.8 Wh, this battery storage unit instantly adds massive capacity to your power station for everyday use or long-lasting power outages. Equipped with long-lasting automotive-grade LiFePO4 cell chemistry, the B300K guarantees years of reliability with maximum efficiency. Additionally, the integrated USB-A port offers the option to quickly charge small devices directly without needing to connect to a main station.
Highlights of the Bluetti B300K Expansion Battery
- Massive storage capacity: Provides 2,764.8 Wh (51.2 V, 54 Ah) of additional energy for emergency power backup and everyday autonomy.
- Automotive-grade LiFePO4 cell chemistry: Offers over 4,000 charge cycles to 80% remaining capacity for an extremely long service life and maximum operational safety.
- High system compatibility: Seamlessly expandable and compatible with the BLUETTI Apex 300.
- Integrated USB-A port: Enables direct charging of mobile devices with up to 12 W (5 V / 2.4 A) without an additional inverter.
- Powerful interfaces: Equipped with two robust expansion ports (max. 58.4 VDC, 90 A) for rapid energy flow.
- Reliable manufacturer warranty: 3-year standard warranty with the option for 1 additional year after registration (3+1 years).
Scope of Delivery
- 1× BLUETTI B300K Expansion Battery
- 1× CA90 Short Battery Expansion Cable
- 1× Warranty Card
- 1× Documentation / User Manual
Technical Specifications: Bluetti B300K Expansion Battery
Advantage for professionals: The Bluetti B300K combines robust automotive-grade LiFePO4 cells with an outstanding cycle life of over 4,000 charge cycles. The included CA90 expansion cable guarantees a lossless, high-current-resistant connection to your Apex 300 or compatible BLUETTI systems – the ideal investment for modular, future-proof energy autonomy at the highest level.
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Frequently Asked Questions
What are the advantages of using a photovoltaic system from Terra Energy?
What are the advantages of using a photovoltaic system from Terra Energy?
With a PV solution, companies can reduce their energy costs, cut CO₂ emissions, and strengthen their corporate sustainability. Our partner solutions ensure performance, efficiency, and future-proofing in B2B applications.
What happens after I purchase a system? Is there support or maintenance?
What happens after I purchase a system? Is there support or maintenance?
Our service doesn't end with your purchase. We support you from delivery and commissioning to the long-term optimization of your system. Our technical support team is available to answer questions and can arrange specialized installation or maintenance partners if needed.
What shipping and delivery options do you offer?
What shipping and delivery options do you offer?
Within Germany, we generally offer free shipping for photovoltaic systems. For international deliveries or bulky components such as modules or mounting systems, we will individually prepare a shipping solution for you (e.g., pallet delivery, truck freight).
What payment methods are available to business customers?
What payment methods are available to business customers?
We offer various payment options for business customers, including prepayment and purchase on account. Simply contact our sales department.
How does Terra Energy support me in selecting and planning my PV solution?
How does Terra Energy support me in selecting and planning my PV solution?
We offer expert advice and customized planning, taking into account location, consumption, subsidies, and technology. Together, we will develop your optimal solution, from the initial concept to commissioning.
What brands and technologies do you carry?
What brands and technologies do you carry?
We work with leading manufacturers and brands in the photovoltaic and energy storage segments to offer you state-of-the-art technology with high quality and performance. Please feel free to ask us for specific manufacturer and product details for your project.
