BLUETTI B300 Expansion Battery | 3072Wh

  • 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.

Flexible Recharging

You can recharge BLUETTI B300 quickly with 200W Max. solar input thanks to the built-in MPPT. Besides, it also supports AC, car, and lead-acid battery charging. The car and lead-acid battery charging need a D050S.

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.

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: 3072Wh
  • Cell Chemistry: Lithium Iron Phosphate(LiFePO4)
  • Lifecycle: 3500+(to 80%); 6000+(to 50%)
  • Shelf-Life: Charge Every 3-6 Months


  • AC Input:
    • 500W
  • Solar Input:
    • 200W(12-60V),10A
  • AC+Solar Input:
    • 12/24V,8.2A
  • DC Output:
    • 1*12V/10A Cigarette Lighter Port
  • USB Output:
    • 1*18W USB-A
    • 1*100W USB-C
  • Environmental Requirements:
    • Storate Temperature: 20-40℃(-4-104℉)
    • Charge Temperature: 0-40℃ (32-104℉)
    • Discharge Temperature:-20-40℃(-4-104℉)


  • Weight: 79.6lbs(36.1Kg)
  • Dimensions (LxWxD): 20.5*12.5*10.5 inch
  • Operating Usage Temperature: 0-40°C/32°F-104°F
  • Certification: CEC, DOE, FCC, QC3.0, CA Prop 65
  • Warranty: 24 Months

In The Box