Bluetti B500K Expansion Battery: Massive 5,120Wh capacity expansion for maximum energy independence
The Bluetti B500K expansion battery is aimed at homeowners, off-grid enthusiasts, and demanding users who want to flexibly scale their existing Bluetti energy system. With a considerable capacity of 5,120Wh and long-lasting LiFePO₄ cell chemistry, this supplementary battery provides a reliable backup power and energy storage solution. Thanks to comprehensive system compatibility with the AC500, AC300, and AC200L models, the autonomy of the entire system can be effortlessly taken to a new level.
Highlights of the Bluetti B500K Expansion Battery (Capacity & Cell Chemistry)
- Enormous storage capacity: Offers 5,120Wh of additional energy for seamless backup power and off-grid scenarios.
- Long-lasting LiFePO₄ technology: Uses high-quality lithium iron phosphate cells for high thermal stability, maximum safety, and a long service life.
- High charge and discharge power: Supports a maximum charging current of 60A and a continuous discharge current of up to 70A.
- Wide operating temperature range: Reliable discharge operation at extreme temperatures from -20°C to 40°C.
Highlights of System Compatibility & Accessories
- Broad Bluetti compatibility: Fully compatible with the Bluetti AC500, AC300, and AC200L power stations for flexible system expansion.
- Integrated expansion ports: Equipped with 2× expansion ports (max. 58.4 VDC / 90A) for seamless parallel connection and system integration.
- Included connection cables: Supplied directly with the CA90 battery expansion cable and the P090D-to-P150D adapter cable.
- Robust housing: Solid design with IP20 protection and compact dimensions for secure indoor setup.
Technical Specifications: Bluetti B500K
Benefit for professionals: The Bluetti B500K expansion battery combines a massive storage capacity of 5.12 kWh with universal adapter compatibility for leading Bluetti power stations. System users benefit from a future-proof, high-current energy storage option that guarantees full reliability during power outages and in continuous off-grid operation.
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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.
