BLUETTI B300S Expansion Battery | 3,072Wh [Discontinued (Replaced by B — Topture Skip to content
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BLUETTI B300S Expansion Battery | 3,072Wh [Discontinued (Replaced by B300k)]

by BLUETTI
SKU B300S-US-GY-BL-00
Save $650.00 Save $650.00
Original price $2,299.00
Original price $2,299.00 - Original price $2,299.00
Original price $2,299.00
Current price $1,649.00
$1,649.00 - $1,649.00
Current price $1,649.00
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in stock, ready to be shipped
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This Item is Currently on Backorder

Units are allocated on a first-come, first-served basis. Reserve the next available one for you with a pre-order. No ETA yet

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Learn more about the

BLUETTI B300S Expansion Battery | 3,072Wh [Discontinued (Replaced by B300k)]

Flexible Recharging

BLUETTI B300S takes up to 500W AC, solar, or car charging. Combine AC with solar or car input, you can top up B300S in less than 3.5-4 hours with a maximum of 1,000W* input rate.
*The D050S DC charging enhancer is required.

Versatile Power Source

You can power your smartphones, laptops, fans, lights, refrigerators and more with specific outputs-100W USB-C, 12V/10A cigarette lighter, and 18W USB-A.

Responsive Even in the Cold

Waking up electronics on a freezing day may be time-consuming. But with the Temperature Adaptive Function, B300S will automatically heat up to work actively and smoothly as usual.

Expandable Battery Pack

As the companion battery pack to AC500, B300S has a capacity of 3,072Wh and lasts for 3,500+ cycles to 80% of its original capacity. Hook up 6*B300S with AC500, you'll get a powerhouse with 18,432Wh, enough to get you through a severe power outage.

B300s

BATTERY INFO
Capacity 3,072Wh (51.2V, 60Ah)
Cell Chemistry LiFePO4 (Lithium Iron Phosphate)
Life Cycles 3,500+ Cycles to 80% Original Capacity
Shelf-life Recharge to 80% Every 3-6 Months
Management System MPPT Charge Controller, BMS, etc.
OUTPUT
USB-C Port 1 x 100W Max.
USB-A Port 1 x 18W
DC Outlets 1 x 12V/10A (Car Outlet) *All regulated.
INPUT
AC Input 500W Max.
Solar Input 500W Max., VOC 12-60VDC, 10A
Car Input 12/24V from Cigarette Lighter Port
Maximum Input 1,000W, with DO50S DC Charging Enhancement
GENERAL
240V Split Phase Bonding Yes, Works with AC500
Simultaneous Recharge & Discharge Yes
Weight 83.8lbs (38kg)
Dimensions (LxWxD) 20.5 x 12.5 x 10.5in (52 x 32 x 26.6cm)
Operating Temperature -4°F-104°F (-20°C-40°C)
Storage Temperature -4°F-104°F (-20°C-40°C)
Certification UL2743, UKCA, RCM, PSE, FCC, CE

How many B300S packs can be connected to AC500?

6

How many B300 packs can be connected to AC500?

4

Can B300S and B300 be mixed in an AC500 power system?

Yes. 4 packs in total.

Does B300s support App control?

Connect it to the AC500, pair them with BLUETTI App, and you can control the system at any time from anywhere.

Can I use B300s alone as a UPS?

No.

What is the maximum input charging power of the BLUETTI B300s?

1000W Max. with optional D050S DC Charging Enhancer (sold separately).

Can I use a car cigarette lighter or lead-acid battery to charge B300s?

Yes, BLUETTI D050S DC Charging Enhancer is required (sold separately).

Can I use third-party solar panels to charge the BLUETTI B300s?

Yes, if the solar panels' specs fall in:
1) Total Voltage: 12-60V
2) Total Power: 500W Max.
3) Include MC4 connectors.

Can it charge and discharge at the same time?

Yes.

Can I use or charge B300s in sub-zero temperatures?

Temperature ranges for B300S are:
Charge: 0-40℃ (32-104℉)
Discharge: -20-40℃ (-4-104℉)
Storage: -20-40℃ (-4-104℉)
Technically, it can power electrical devices under such situations, but please avoid charging it.

How long can it run my device?

Running time = Battery capacity × DoD × η ÷ Device rated power
DoD refers to Depth of Discharge and η is local inverter efficiency. For B300s, both DoD and η are 90%. If you run a 100W light bulb with it, the running time will be:
3,072Wh × 90% × 90% ÷ 100W ≈ 25hrs
Note: The above data is for reference ONLY.

Is B300s waterproof?

No. Also, please do NOT store it in a humid environment for a long time.

Is it possible to replace the built-in battery?

No. If the battery pack is faulty or even dead, please contact BLUETTI Customer Service.

I'd like more tutorial videos on the AC500 and B300s combo.

Sure, please follow BLUETTI Support on YouTube.

What is the difference between B300S and B300?

1) Current capacity: 130A for B300S while 75A for B300.
2) ONLY B300S features the automatic heating function.
3) Solar input: 500W for B300S while 200W for B300.

How does the heating function work?

When the temperature is below 0℃, the battery will be automatically heated once AC or PV charging is activated (input power > 400W).

Portable Power Station

Product Item Warranty Period(Months)
Power Station EB3A 24
EB55
EB70/EB70S
AC50S
EB150
EB240
AC2A/AC2P 60
AC70/AC70P 60
AC60/AC60P/AC240 72
AC180/AC180P 60
AC200L/AC200P L 60
X30/X60 12
Battery Module B80/B80P/B210 72

Home Backup System

Product Model Warranty Period (Months)
Power Station AC200 48
AC200P
AC200MAX
AC300
AC500
EP500 60
EP500PRO
Home Energy EP800 120
EP900
Battery Modules B230 48
B300
B300S

Solar Panel & Accessory

Product Model Warranty Period (Months)
Solar Panel PV68 12
PV120/PV120S
PV200
PV350
PV420
Accessory ALL

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.

No warranty for gifts product and Warranty period may vary by country subject to local laws and regulations.

Warranty Statement
Any defects in material, workmanship of your product will be covered after you provide any valid proof of purchase and information including but not limited to:

  • A purchased order number made through BLUETTI official stores.
  • Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.

Note: The limited warranty is restricted to the country of purchase. The warranty will be invalid on the items once they are taken or shipped to other countries.

Exclusions of Warranty 
1. Misused, abused, damaged by accident or damaged due to force majeure (e.g. lightning strikes, tornadoes, hurricanes, etc.);
2. Unauthorized modification, repair, dis-assembly or operation not in accordance with the official instructions or manuals;
3. Purchased from unauthorized resellers;
4. Use for special application other than normal consumer use;
5. Lost, stolen or full refunded product;
6. Any defect or damage caused by exposure to excessive heat, cold, liquids or other external causes;
7. Invalid proof of purchase;
8. Warranty period expired
9. The battery model on the warranty certificate does not match the actual item;
10. Unauthorized alteration on the warranty certificate;
11. Product wear and tear through the usage of time.

Return and Refund

  • Order Cancellation:

Order Cancellation can be requested by customer within 48 hours after placing an order by email or phone with the BLUETTI official store. If the product has been shipped, an intercept fee will be charged.

  • 30 days money-back guarantee will be automatically credited to your order.
  • For more details, please click here.

Claim Process

  • Please contact us via Email: service@bluettipower.com , Monday through Sunday, for any assistance with the product.
  • For any warranty claims, service performed by BLUETTI or local authorized service partner, subject to the options below:
  • Repaired by BLUETTI service center, or
  • Swap for a replacement product with equivalent specifications according to model and service life
  • In case of replacement, a refurbished model of equal value may be provided and the delivery of the replacement will be arranged within 7 business days (subject to changes caused by force majeure) after confirming the defective item has been received at BLUETTI warehouse.
  • A swap product assumes the remaining warranty of the original product or thirty (30) days from the date of replacement, whichever is greater.
  • For any out of warranty claims, please priorly contact BLUETTI service for more details.

Warranty Extension

  • The warranty extension is now only applicable for the model of AC200MAX, AC200P or B230 purchased from BLUETTI official website with protection against damage without service fee.
  • Any purchases of the four models from other platforms are required to submit the application for extended warranty by the link below:https://www.bluettipower.com/pages/warranty-extend

Disclaimer of Implied Warranties 

This limited warranty is in lieu of all other expressed or implied warranties, including any warranty of fitness for a particular purpose or use and any implied warranty of merchantability otherwise applicable to BLUETTI portable solar generators. BLUETTI and its affiliated companies shall not be liable for any special, incidental or consequential damages, including lost profits. There are no warranties extended other than as provided herein.
This limited warranty may be modified only by BLUETTI. Any implied warranties allowed by law shall be limited in duration to the terms of the express warranty provided herein. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights. You also have other rights from state to state.BLUETTI’s only liability shall be the repair or replacement as stated above.

11 Reasons to Choose Topture

1. Free Shipping: Enjoy complimentary standard shipping on 98% of our items, ensuring a hassle-free shopping experience without any hidden costs or surprises as you finalize your purchase. Should any shipping charges apply, they are clearly indicated on the product page for complete transparency and peace of mind.

2. No Sales Tax: The price listed on our website is what you pay, making your shopping experience hassle-free and more affordable.

3. Lowest Price Guarantee: Find a lower price online? We’ll match it! Just email us. Valid on all products, anytime. Shop with confidence at Topture!

4. Dedicated Customer Support: Our team of specialists are available to
assist you via phone, email, or live chat. We are here to provide clear information, support and guidance at every step of your shopping experience.

5. Manufacturer's Warranty: As authorized dealers for all our brands, you can rest assured that you'll receive the full manufacturer's warranty on all products you purchase from us.

6. Fast Order Handling: We usually dispatch orders within 2 business days and provide email confirmations with tracking IDs when your order is shipped.

7. Secure Payments: We use high-standard SSL encryption on all our pages, content, and data
to ensure a safe and secure shopping experience.

8. Hassle-Free Shopping Journey: From selecting the right products to ensuring their safe delivery and setup, we are with you every step of the way.

9. Best Price Guarantee: We always strive to offer you the best personal price possible. Just reach out and we'll be glad to assist!

10. No-Hassle Returns & Fully Insured Shipping: Every shipment is fully covered in case of a lost item or damage. Please refer to the Shipping & Returns tab to learn more about our policy.

11. 100% Safe and Secure Online Shopping: With SSL encryption technology, we guarantee 100% secure transactions. If you prefer to process an order over the phone, just call us at (833) 419-1774.

Still have questions? Feel free to chat with us or call (833) 419-1774 to immediately speak with a team member. We're always here to help!

Frequently Asked Questions

Where do you deliver to?

We offer free Curbside Delivery to all 48 lower states and for some products even Canada.

Do you ship internationally?

International Shipping

Yes, we offer international shipping for many of our products. Customers outside the US can request a personalized shipping quote by contacting us. Please be aware that any applicable taxes or customs fees will be the responsibility of the customer. Note that some items may be subject to shipping restrictions.

Shipping to Hawaii, Alaska, and Puerto Rico

We ship to Hawaii, Alaska, and Puerto Rico, although most items are subject to additional shipping fees. To obtain specific rates and prevent any restocking fees, please email us at contact@topture.com.

How long will it take for my items to arrive?

If your order is in stock, the following times apply:

Lead Time - 3-7 Business Days Depending on Product - Once You Place an Order, We immediately begin processing, the order request is sent to our warehouse and is prepared for pickup, it then usually takes around 3-7 business days to be picked up for transit.

Transit Time - Transit Time can vary depending on the distance between your location and the warehouse but you can expect the item to arrive between 3-8 business days after pickup.

For Pre-Order items you can find the expected back in stock date on the product page

Is there a warranty?

Yes, all products come with a manufacturer warranty.

Do you have a showroom?

We don’t have a showroom, which means we can bring you the lowest prices as we don’t need to worry about any extra costs!

Do you offer a price-matching service?

Yes, we do. To request a price match, email us a link to where you've found the lower price, including their shipping and tax.

More questions? See our full FAQ

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Flexible Recharging

BLUETTI B300S takes up to 500W AC, solar, or car charging. Combine AC with solar or car input, you can top up B300S in less than 3.5-4 hours with a maximum of 1,000W* input rate.
*The D050S DC charging enhancer is required.

Versatile Power Source

You can power your smartphones, laptops, fans, lights, refrigerators and more with specific outputs-100W USB-C, 12V/10A cigarette lighter, and 18W USB-A.

Responsive Even in the Cold

Waking up electronics on a freezing day may be time-consuming. But with the Temperature Adaptive Function, B300S will automatically heat up to work actively and smoothly as usual.

Expandable Battery Pack

As the companion battery pack to AC500, B300S has a capacity of 3,072Wh and lasts for 3,500+ cycles to 80% of its original capacity. Hook up 6*B300S with AC500, you'll get a powerhouse with 18,432Wh, enough to get you through a severe power outage.

B300s

BATTERY INFO
Capacity 3,072Wh (51.2V, 60Ah)
Cell Chemistry LiFePO4 (Lithium Iron Phosphate)
Life Cycles 3,500+ Cycles to 80% Original Capacity
Shelf-life Recharge to 80% Every 3-6 Months
Management System MPPT Charge Controller, BMS, etc.
OUTPUT
USB-C Port 1 x 100W Max.
USB-A Port 1 x 18W
DC Outlets 1 x 12V/10A (Car Outlet) *All regulated.
INPUT
AC Input 500W Max.
Solar Input 500W Max., VOC 12-60VDC, 10A
Car Input 12/24V from Cigarette Lighter Port
Maximum Input 1,000W, with DO50S DC Charging Enhancement
GENERAL
240V Split Phase Bonding Yes, Works with AC500
Simultaneous Recharge & Discharge Yes
Weight 83.8lbs (38kg)
Dimensions (LxWxD) 20.5 x 12.5 x 10.5in (52 x 32 x 26.6cm)
Operating Temperature -4°F-104°F (-20°C-40°C)
Storage Temperature -4°F-104°F (-20°C-40°C)
Certification UL2743, UKCA, RCM, PSE, FCC, CE

How many B300S packs can be connected to AC500?

6

How many B300 packs can be connected to AC500?

4

Can B300S and B300 be mixed in an AC500 power system?

Yes. 4 packs in total.

Does B300s support App control?

Connect it to the AC500, pair them with BLUETTI App, and you can control the system at any time from anywhere.

Can I use B300s alone as a UPS?

No.

What is the maximum input charging power of the BLUETTI B300s?

1000W Max. with optional D050S DC Charging Enhancer (sold separately).

Can I use a car cigarette lighter or lead-acid battery to charge B300s?

Yes, BLUETTI D050S DC Charging Enhancer is required (sold separately).

Can I use third-party solar panels to charge the BLUETTI B300s?

Yes, if the solar panels' specs fall in:
1) Total Voltage: 12-60V
2) Total Power: 500W Max.
3) Include MC4 connectors.

Can it charge and discharge at the same time?

Yes.

Can I use or charge B300s in sub-zero temperatures?

Temperature ranges for B300S are:
Charge: 0-40℃ (32-104℉)
Discharge: -20-40℃ (-4-104℉)
Storage: -20-40℃ (-4-104℉)
Technically, it can power electrical devices under such situations, but please avoid charging it.

How long can it run my device?

Running time = Battery capacity × DoD × η ÷ Device rated power
DoD refers to Depth of Discharge and η is local inverter efficiency. For B300s, both DoD and η are 90%. If you run a 100W light bulb with it, the running time will be:
3,072Wh × 90% × 90% ÷ 100W ≈ 25hrs
Note: The above data is for reference ONLY.

Is B300s waterproof?

No. Also, please do NOT store it in a humid environment for a long time.

Is it possible to replace the built-in battery?

No. If the battery pack is faulty or even dead, please contact BLUETTI Customer Service.

I'd like more tutorial videos on the AC500 and B300s combo.

Sure, please follow BLUETTI Support on YouTube.

What is the difference between B300S and B300?

1) Current capacity: 130A for B300S while 75A for B300.
2) ONLY B300S features the automatic heating function.
3) Solar input: 500W for B300S while 200W for B300.

How does the heating function work?

When the temperature is below 0℃, the battery will be automatically heated once AC or PV charging is activated (input power > 400W).

Portable Power Station

Product Item Warranty Period(Months)
Power Station EB3A 24
EB55
EB70/EB70S
AC50S
EB150
EB240
AC2A/AC2P 60
AC70/AC70P 60
AC60/AC60P/AC240 72
AC180/AC180P 60
AC200L/AC200P L 60
X30/X60 12
Battery Module B80/B80P/B210 72

Home Backup System

Product Model Warranty Period (Months)
Power Station AC200 48
AC200P
AC200MAX
AC300
AC500
EP500 60
EP500PRO
Home Energy EP800 120
EP900
Battery Modules B230 48
B300
B300S

Solar Panel & Accessory

Product Model Warranty Period (Months)
Solar Panel PV68 12
PV120/PV120S
PV200
PV350
PV420
Accessory ALL

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.

No warranty for gifts product and Warranty period may vary by country subject to local laws and regulations.

Warranty Statement
Any defects in material, workmanship of your product will be covered after you provide any valid proof of purchase and information including but not limited to:

  • A purchased order number made through BLUETTI official stores.
  • Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.

Note: The limited warranty is restricted to the country of purchase. The warranty will be invalid on the items once they are taken or shipped to other countries.

Exclusions of Warranty 
1. Misused, abused, damaged by accident or damaged due to force majeure (e.g. lightning strikes, tornadoes, hurricanes, etc.);
2. Unauthorized modification, repair, dis-assembly or operation not in accordance with the official instructions or manuals;
3. Purchased from unauthorized resellers;
4. Use for special application other than normal consumer use;
5. Lost, stolen or full refunded product;
6. Any defect or damage caused by exposure to excessive heat, cold, liquids or other external causes;
7. Invalid proof of purchase;
8. Warranty period expired
9. The battery model on the warranty certificate does not match the actual item;
10. Unauthorized alteration on the warranty certificate;
11. Product wear and tear through the usage of time.

Return and Refund

  • Order Cancellation:

Order Cancellation can be requested by customer within 48 hours after placing an order by email or phone with the BLUETTI official store. If the product has been shipped, an intercept fee will be charged.

  • 30 days money-back guarantee will be automatically credited to your order.
  • For more details, please click here.

Claim Process

  • Please contact us via Email: service@bluettipower.com , Monday through Sunday, for any assistance with the product.
  • For any warranty claims, service performed by BLUETTI or local authorized service partner, subject to the options below:
  • Repaired by BLUETTI service center, or
  • Swap for a replacement product with equivalent specifications according to model and service life
  • In case of replacement, a refurbished model of equal value may be provided and the delivery of the replacement will be arranged within 7 business days (subject to changes caused by force majeure) after confirming the defective item has been received at BLUETTI warehouse.
  • A swap product assumes the remaining warranty of the original product or thirty (30) days from the date of replacement, whichever is greater.
  • For any out of warranty claims, please priorly contact BLUETTI service for more details.

Warranty Extension

  • The warranty extension is now only applicable for the model of AC200MAX, AC200P or B230 purchased from BLUETTI official website with protection against damage without service fee.
  • Any purchases of the four models from other platforms are required to submit the application for extended warranty by the link below:https://www.bluettipower.com/pages/warranty-extend

Disclaimer of Implied Warranties 

This limited warranty is in lieu of all other expressed or implied warranties, including any warranty of fitness for a particular purpose or use and any implied warranty of merchantability otherwise applicable to BLUETTI portable solar generators. BLUETTI and its affiliated companies shall not be liable for any special, incidental or consequential damages, including lost profits. There are no warranties extended other than as provided herein.
This limited warranty may be modified only by BLUETTI. Any implied warranties allowed by law shall be limited in duration to the terms of the express warranty provided herein. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights. You also have other rights from state to state.BLUETTI’s only liability shall be the repair or replacement as stated above.

11 Reasons to Choose Topture

1. Free Shipping: Enjoy complimentary standard shipping on 98% of our items, ensuring a hassle-free shopping experience without any hidden costs or surprises as you finalize your purchase. Should any shipping charges apply, they are clearly indicated on the product page for complete transparency and peace of mind.

2. No Sales Tax: The price listed on our website is what you pay, making your shopping experience hassle-free and more affordable.

3. Lowest Price Guarantee: Find a lower price online? We’ll match it! Just email us. Valid on all products, anytime. Shop with confidence at Topture!

4. Dedicated Customer Support: Our team of specialists are available to
assist you via phone, email, or live chat. We are here to provide clear information, support and guidance at every step of your shopping experience.

5. Manufacturer's Warranty: As authorized dealers for all our brands, you can rest assured that you'll receive the full manufacturer's warranty on all products you purchase from us.

6. Fast Order Handling: We usually dispatch orders within 2 business days and provide email confirmations with tracking IDs when your order is shipped.

7. Secure Payments: We use high-standard SSL encryption on all our pages, content, and data
to ensure a safe and secure shopping experience.

8. Hassle-Free Shopping Journey: From selecting the right products to ensuring their safe delivery and setup, we are with you every step of the way.

9. Best Price Guarantee: We always strive to offer you the best personal price possible. Just reach out and we'll be glad to assist!

10. No-Hassle Returns & Fully Insured Shipping: Every shipment is fully covered in case of a lost item or damage. Please refer to the Shipping & Returns tab to learn more about our policy.

11. 100% Safe and Secure Online Shopping: With SSL encryption technology, we guarantee 100% secure transactions. If you prefer to process an order over the phone, just call us at (833) 419-1774.

Still have questions? Feel free to chat with us or call (833) 419-1774 to immediately speak with a team member. We're always here to help!