BLUETTI B300 Expansion Battery - 3072Wh

Boasting a 100W USB-C, 12V/10A car output, and USB-A port, the B300 functions as a reliable portable power station. Featuring intelligent MPPT technology, it can quickly recharge via solar power at a maximum input of 200W. Additionally, it may be recharged through wall sockets, car charging, or lead-acid batteries (all purchased separately).


At the moment, all of our products are open for pre-order. We anticipate that they will arrive by the end of August. 

$3,890.00 NZD

Technical Specification


Capacity: 3072Wh (51.2V, 60Ah)

Cell Chemistry: LiFePO4 (Lithium Iron Phosphate)

Life Cycles: 3,500+ Cycles to 80% of Original Capacity

Management System: MPPT Charge Controller, BMS etc.

Shelf-life: Recharge to 80% Every 3-6 Months



USB-C Port: 1 x 100W Max.

USB-A Port: 1 x 18W

12V DC Outlets: 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

Maximum Input: 700W, With AC Adapter + Soalr Input Simultaneously



AC: ≈6.5-7 Hours at 500W

Solar Panel: ≈15.5-16 Hours at 200W (With prime sunshine, ideal orientation and low temperature)

12/24V 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)



Pass-through Charging: Yes

Weight: 79.6lbs/36.1kg

Dimensions (LxWxD): 20.5*12.5x8.10.5in/520x320x266mm

Operating Temperature: -4 ℉-104℉ (-20 - 40℃)

Storage Temperature: -4-104℉ (-20 - 40℃)

Certifications: UL2743, UKCA, RCM, PSE, FCC, CE

Warranty: 48 Months

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 ports - the 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A output ports.

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Expandable Battery Pack

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

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