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Bluetti B300 Expansion Battery for AC200MAX and AC300

SKU: B300 Categories: ,
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Original price was: £2,499.00.Current price is: £1,799.00. inc VAT

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4 Years Warranty

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*Please be advised that Bluetti Products now have an extended lead time and you may not receive them next day. The current delivery time is estimated at 3-5 working days.*

You can recharge BLUETTI B300 quickly with 200W max. solar input thanks to the built-in MPPT. It also supports AC, car, and lead-acid battery charging. *The car and lead-acid battery charging need a D050S (sold separately).

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

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 or AC300 series.

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.

  • 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 connected through D050S (sold separately).


  • Wall socket: 6.5 to 7.0 hours 500W
  • Solar Panel 200w: 15.5-16
  • Car Direct Current: 12V/24V 100w/200w 30/15 hours
  • Wall socket / Solar: 5 hours 700W
  •  Solar Panel + Solar Panel: 700w: 5 hours (D050S DC Charging Enhancer)
  • Dual AC: 5.0 hours 700W


  • 1 x USB-A port (output): 18W, regulated
  • 1 x USB-C port (output): 100W max, regulated
  • 1 DC Output: 1 x 12V/10A (Car Outlet)
  • 1 x Solar Input: Max 200w 10A
  • 1 x AC Input: 500w
  • 1 DC Input: 12V/10A (Car Outlet)


  • Capacity: 3072Wh(51.2V, 60Ah)
  • Type: LiFePO4(Lithium Iron Phosphate)
  • Life Cycle: 3500+ Cycles to 80% Original Capacity
  • Shelf-Life: Recharge to 80% Every 3-6 Months
  • Management System: MPPT Controller, BMS, etc.
Product Code B300
Sockets1 x 18w USB-A port, 1 x 100w USB-C port, 1 x regulated
Dimensions (WxHxL) 320 x 226 x 520mm
Fuel TypeBattery
Battery Capacity3072Wh
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