3072Wh Expansion Battery: Bluetti B300 - Front Left View
3072Wh Expansion Battery: Bluetti B300 - Front Right View
3072Wh Expansion Battery: Bluetti B300 - Left Side View
3072Wh Expansion Battery: Bluetti B300 - Front View

3072Wh Expansion Battery: Bluetti B300

Regular price$1,999.00
Shipping calculated at checkout.

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  • For Phone-in orders, call (844)-478-2626

Versatile Power Source

You can power your smartphones, laptops, fans, lights, refrigerators, microwave ovens, and so on with specific output port - the 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A output ports.

  • Features with a 100W USB-C, a 12V/10A car output and a USB-A ports, you can use the B300 as a portable power station.
  • The smart MPPT inside of the B300 enables it to recharge quickly through solar power at a 200W maximum loading scale.
  • You can also recharge it by wall socket, car charging or lead-acid battery.
  • Car charging and lead-acid battery charging need to be realized through D050S.


Expandable Battery Pack

B300 has 3,072Wh capacity and over 3,500 life cycles with the LifePO4 battery cells, offering up to 80% of original capacity. Moreover, it will double, triple, even quadruple the total capacity with BLUETTI AC200MAX, AC200P, or AC300 series.

Home Backup and Trip Power Bank

Whether in a family gathering or camping trip, B300 will serve as your backup power supply or power bank. It powers your home and camping necessities well, and all you need to do is enjoy the good times.



Capacity |  3,072Wh (51.2V, 60Ah)
Type |  LiFePO4 (Lithium Iron Phosphate)
Life Cycles |  500+ Cycles to 80% Original Capacity
Shelf-life |  Recharge to 80% Every 3-6 Months
Management System |  MPPT Controller, BMS, etc.


USB-C Port |  1 x 100W Max.
USB-A Port |  1 x 18W USB-A
12V DC Outlet* |  1 x 12V/10A (Car Outlet)
*All Regulated.


AC Input |  500W Max.
Solar Input |  200W Max., VOC 12-60VDC, 10A
Car Input |  12/24V from Cigarette Lighter Port
Max Input |  700W, With AC Adatper + Solar Input Simultaneously


AC |  ≈ 6.5~7 Hours at 500W
Solar |  ≈ 15.5~16 Hours at 200W
(With prime sunshine, ideal orientation and low temperature)
12V/24V Car Outlet (100W/200W) |  ≈ 30 or 15 Hours
AC + Solar |  ≈ 5 Hours at 700W
(With prime sunshine, ideal orientation and low temperature)
Solar + Solar |  ≈ 5 Hours at 700W (D050S DC Charging Enhancer REQUIRED)
Dual AC |  ≈ 5 Hours at 700W (Extra adapter REQUIRED)


240V Split Phase Bonding |  Yes, work with AC300
Pass-through Charge |  Yes
Weight |  79.6lbs (36.1kg)
Dimensions (LxWxD) |  20.5 x 12.5 x 10.5in ( 52 x 32 x 26.6cm)
Operating Temperature |  -4-104℉ (-20-40℃)
Storage Temperature |  -4-104℉ (-20-40℃)
Certifications |  UL Standard, CEC, DOE, FCC, CA Prop 65
Warranty |  48 Months (Enter to learn more about BLUETTI warranty policy)

In The Box

We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price than us within six months of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

  • You must purchase the item from our website before requesting your Price Match Guarantee
  • Promotions such as rebates and buy one, get one free offers are not eligible
  • The item must be in stock on the competitors website
  • The competitor must be an online store, they may not have a retail location
  • The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
  • The competitor must be an Authorized Retailer of the product in question
  • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax

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