Bluetti B300K Expansion Battery | 2764.8Wh

Bluetti B300K Expansion Battery | 2764.8Wh

Description

• 2,764.8Wh Capacity with 4,000+ Life Cycles: Perfectly designed for daily power needs or as a reliable backup during outages.
• Automotive-Grade LiFePO₄ Battery: Enjoy an extended lifespan and enhanced safety with cutting-edge battery technology.
• Seamless Compatibility: Effortlessly integrates with BLUETTI AC200L, AC200MAX, AC300, and AC500 power stations.
• Maximize Your Power: Expand up to a massive 33,168Wh when connected with AC500 for diverse energy needs.
• 3+1 Years Warranty*: Long-term reliability guaranteed to ensure your battery is well protected.
• Standalone Power Source: Charge your essential devices anytime with the convenient USB-A Port.

Built to Protect, Designed to Last

A Standalone Power Source, A Standout Performance

Product Specifications

Bluetti B300K Expansion Battery | 2764.8Wh Product Specifications

Product Manual

BLUETTI 300K Expansion Battery Product Manual

Product Warranty and Return Policy

Warranty & Return Policy

This warranty gives you specific legal rights, and you may have other rights that vary from state to state (or by country or province). Other than as permitted by law, BLUETTI does not exclude, limit or suspend other rights you may have, including those that may arise from the nonconformity of a sales contract. For a full understanding of your rights you should consult the laws of your country, province or state.

Warranty Period
BLUETTI warrants that the product will be free from defect in workmanship and material to the original consumer purchaser.
The warranty period starts on the date of purchase by the original consumer purchaser,

• For the product of portable power station, the warranty period varies from 24 months to 72 months.
• For the product of home backup system, the warranty period varies from 48 months to 60 months.
• For the product of solar panel and accessories as cable, charger etc, 12 months is provided for the warranty service.

Replacement / Maintenance

Exclusions

BLUETTI’s warranty does not apply to:

• Misused/abused/damaged by accident/damaged due to acts of nature. (For example lightning strikes, tornadoes, hurricane and such).
• Unauthorized modification/repair/dis-assembly or operation not in accordance with the official instructions or manuals
• Non-quality related issues
• Items purchased from unauthorized resellers
• Used for special application other than normal consumer use
• Lost /stolen/free/refunded product
• Any defects or damages caused by exposure to excessive heat, cold, liquids or other external causes
• Not able to provide valid proof of purchase

How to claim warranty?
Feel free to contact our customer service team at service@bluettipower.com

Return & Refund Policy

If you purchased a BLUETTI product from the BLUETTI official store, you may request a return or refund.

If you purchased a BLUETTI product from other suppliers and resellers of BLUETTI, you may not request return or refund from us as our suppliers and resellers may have their own policies regarding refund and return. Please contact them for further information.

Return and refund policies may also vary according to local laws and regulations.

Order Cancellation

Customers can request a full refund within 72 hours after placing an order by email or phone with the BLUETTI official store. However, if the product has already been shipped, a $25 intercept fee will be charged.

Non-Receipt of Products / Damaged Products Received

1. If you believe your product was not delivered or lost, you must notify immediately notify us.

2. If you believe the product you received was damaged, or if you receive an incorrect/incomplete product, you must immediately contact us with proof of videos and/or pictures.

30-day No Reason to Return

1. 30-Day Refund Policy

Within 30 days of your purchase, if you are unsatisfied with your purchase (including but not limited to “don’t want”, ”don’t meet your needs”, or “don’t like” ), you may return the purchased items complete, unused, and in their original packing. 

However, you will be responsible to pay for the return shipping costs. Please contact our customer service to verify the shipping costs for each item and to get a Return Merchandise Authorization (RMA) Number.

Once your item is received and inspected, we will deduct the shipping cost of return from your refund.

* For further instructions, please contact us at service@bluettipower.com.

2. Refused Delivery

Please note that return cost will be deducted from any refund if you reject the shipments.

NOTE: For products that have been used, we reserve the right to refuse the return.

Refund will be processed within 14 business days after the product is returned to BLUETTI warehouse.

3. No Reason to Return After 30 Days

If 30 days have passed since your purchase, we cannot offer a refund or exchange.

Exclusions

BLUETTI warranty policy does not apply to:

• Misused/abused/damaged by accident/damaged due to force majeure (e.g. lightning strikes, tornadoes, hurricanes, etc.)
• Unauthorized modification/repair/dis-assembly or operation not in accordance with the official instructions or manuals
• Items purchased from unauthorized resellers
• Used for special application other than normal consumer use
• Lost/stolen/free/refunded product
• Any defect or damage caused by exposure to excessive heat, cold, liquids or other external causes

IMPORTANT NOTE：

• If the following conditions are not met, BLUETTI reserves the right not issue

a. Products returned don’t include allofthe original packaging and accessories.
b. Products returned sustain damages caused by misuse or improper packagingduring the return process.
c. Returns without prior authorization and an RMA number.

• Before returning the product, please send a picture of the packaged product to our customer service.
• Refund will be processed within 14 business days after the product is returned to BLUETTI warehouse.

Product FAQs

Q1. How to claim warranty

A1. 

Q2. Why doesn't the B300K drain all its power?

A2. The B300K retains a portion of its energy to prevent overdischarging, which helps protect the battery's lifespan and ensures long-term performance.

Q3. Can I leave the battery uncharged after fully charging?

A3. No, it's important to recharge the B300K in time before the SoC drops to 1% to avoid potential damage. Additionally, ensure it's placed in an environment of at least 10°C (50°F) for at least 12 hours before recharging.

Q4. Which BLUETTI power stations can work with B300K?

A4. B300K is compatible with AC200L, AC200MAX, AC300, and AC500. When connecting to AC500, the P090D to P150D cable is required for connecting with AC500 and sold separately.

Q5. Can I use the B300K alone?

A5. Yes. B300K is a standalone power source with a 12W USB-A port.

Note: The B300K can only be charged by connecting to the AC500/AC300/AC200L/AC200MAX

Q6. Does the B300K support power bank mode?

A6. No