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header-product Bluetti B300K Expansion Battery Module 2764.8 Wh LiFePO4 for Power Stations
1,573.95 €
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AiO.lv Other goods Bluetti

Bluetti B300K Expansion Battery Module 2764.8 Wh LiFePO4 for Power Stations

Bluetti B300K Expansion Battery Module LiFePO4 Photo 1
Bluetti B300K Expansion Battery Module LiFePO4 Photo 2
Bluetti B300K Expansion Battery Module LiFePO4 Photo 1
Bluetti B300K Expansion Battery Module LiFePO4 Photo 2
Bluetti B300K Expansion Battery Module LiFePO4 Photo 1
Bluetti B300K Expansion Battery Module LiFePO4 Photo 2
Bluetti B300K Expansion Battery Module LiFePO4 Photo 1
Bluetti B300K Expansion Battery Module LiFePO4 Photo 2
Bluetti B300K Expansion Battery Module 2764.8 Wh LiFePO4 for Power Stations

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Bluetti B300K Expansion Battery Module 2764.8 Wh LiFePO4 for Power Stations

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Short description

Bluetti B300K expansion battery module with 2764.8 Wh capacity and LiFePO4 chemistry. Designed to extend the runtime of compatible power stations. Features 4000+ charge cycles, AI-BMS system, and a 12 W USB-A port.
Available at price 1,573.95 €: 4 pcs.
Total available for order: 8 pcs.
Warranty: 2 Years
SKU: 12737504
Manufacturer: Bluetti
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to the Customer Service Center at Kengaraga 2b, Riga
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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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03.11.2026 {{selectedOffer.courierDeliveryString}}
From 53.99 € (Weight: 33.75 kg)
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36 months installment: from 43.72 euros per month
Leasing for legal entities: from 54.77 euros per month
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Product information

Description

The Bluetti B300K Expansion Battery Module is a modular energy storage solution designed to increase the runtime of compatible Bluetti power stations. Utilizing automotive-grade LiFePO4 battery cells and an integrated AI-BMS system, this unit provides reliable and safe energy storage for home backup, outdoor activities, and off-grid use. With a capacity of 2764.8 Wh, it allows users to significantly extend their power availability during outages or while traveling in a camper.

Advantages

This expansion battery utilizes durable lithium iron phosphate cells that support over 4000 charge cycles while retaining up to 80 percent of their original capacity. The built-in AI-BMS battery management system continuously monitors and regulates charging and discharging for enhanced safety and performance. Additionally, the unit features a 12 W USB-A port, allowing it to function as a standalone power source for small electronic devices such as smartphones or tablets.

Suitable for

  • Home backup power during extended electrical outages
  • Energy storage for RVs and campers
  • Remote work and off-grid living locations
  • Outdoor events requiring extended power station runtime

When it may not be suitable

This device cannot be charged directly from solar panels or a car cigarette lighter socket, as it must be connected to a compatible power station for charging. Furthermore, weighing approximately 29.5 kg, it is not designed for frequent portability or carrying on the go.

Key specifications

  • Battery capacity: 2764.8 Wh (51.2 V, 54 Ah)
  • Battery chemistry: LiFePO4 (lithium iron phosphate)
  • Cycle life: 4000+ cycles to 80% capacity
  • USB-A output: 12 W max (5 V / 2.4 A)
  • Expansion ports: 2 units (max. 58.4 V DC, 90 A)
  • Maximum charging current: 60 A
  • Maximum discharge current: 70 A
  • Operating humidity range: 5–95% RH
  • Dimensions: 525 × 327 × 209 mm
  • Weight: ~29.5 kg

How to use

To use the expansion module, connect it to a compatible Bluetti power station using the provided expansion cable. Ensure that the power station is turned off before making the connection. Once securely connected, the power station will recognize the additional battery capacity, increasing your total available energy. To charge the unit, connect it to the compatible power station and charge the entire system through the power station's standard charging inputs.

What to consider before purchase

  • Verify compatibility with your specific Bluetti power station model
  • Note that certain models may require an additional specific connection cable
  • Consider the weight and stationary nature of the device before planning mobile use
  • Remember that direct charging via solar or car outlets is not supported independently

Usage recommendations

Always verify that the correct expansion cable is used for your specific power station model and ensure the unit is kept within the recommended operating humidity and temperature ranges for optimal lifespan.

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Product comparison

This overview compares Bluetti B300K Expansion Battery Module 2764.8 Wh LiFePO4 for Power Stations with two alternative products: the Anker SOLIX BP2000 Gen 2 expansion battery and the BLUETTI P090A External Battery Connection Cable. While the Bluetti and Anker products are high-capacity LiFePO4 energy storage units designed to extend power station runtimes, the BLUETTI P090A is a specialized 800 mm connection cable required to link these batteries, rather than a standalone power source.

⚙️ The technical specification comparison covers the device type, battery capacity, battery chemistry, cycle lifespan, and available ports or accessories.

ParameterBluetti B300KAnker SOLIX BP2000 Gen 2BLUETTI P090APractical significance
Device typeExpansion battery moduleExpansion battery moduleConnection cableBluetti B300K and Anker SOLIX BP2000 Gen 2 serve as energy storage units, whereas the P090A cable is strictly used for interconnecting power stations and expansion batteries.
Battery capacity2764.8 Wh2048 WhNot applicableThe Bluetti B300K offers roughly a third more capacity, providing extended runtime reserves compared to the Anker alternative.
Battery chemistry and lifespanLiFePO4, 4000+ cyclesLiFePO4, long lifespanNot applicableBoth batteries use durable and safe LiFePO4 technology, ensuring high safety and a long operational lifespan during regular use.
Additional featuresUSB-A port (12 W)Scalable systemLength 800 mmThe Bluetti B300K includes a built-in USB port for basic device charging, while the P090A cable solves the practical wiring requirement between compatible units.

◎ The evaluation of use cases and buyer needs helps determine which product is best suited for specific backup and off-grid power scenarios.

Use caseRecommended productWhy
Maximizing runtime for a high-capacity power stationBluetti B300KDelivers a larger 2764.8 Wh capacity and high cycle durability compared to the alternative battery.
Setting up a solid mid-range energy backupAnker SOLIX BP2000 Gen 2Provides a reliable 2048 Wh capacity for off-grid power needs and emergency situations.
Connecting a compatible battery to a Bluetti stationBLUETTI P090AServes as the official 800 mm connection cable necessary to properly link the expansion batteries to supported power stations.
Bluetti B300K outperforms the Anker battery module in total capacity and includes a convenient USB port, while differing fundamentally from the P090A cable as it acts as an actual energy storage unit. This model is ideal for users within the Bluetti ecosystem who need substantial runtime extension and long-term durability.
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Stock data
Warehouse Stock Delivery to the store Store Price
WH127 4 Thursday Best delivery
New
1,573.95 € Best price
WH354 4 09.11.2026
1,860.99 €
New
1,573.95 €
Stock: 4
Delivery Date: Thursday Best delivery
Warehouse: WH127
1,860.99 €
Stock: 4
Delivery Date: 09.11.2026
Warehouse: WH354

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Customer questions

FAQ

How much does the Bluetti B300K Expansion Battery Module LiFePO4 cost, and is it available for purchase?

The price is 1,573.95 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Thursday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can Bluetti B300K Expansion Battery Module LiFePO4 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Bluetti B300K Expansion Battery Module LiFePO4 online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Bluetti products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Bluetti service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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