Bluetti B300 Expansion Battery | 3072Wh

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.

Product Specifications

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

Outlets: 1 x 12V/10A (Car Outlet) *All regulated.

INPUT

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 Adatper + Solar Input Simultaneously

RECHARGE TIMES

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)

GENERAL

Simultaneous Charge & Discharge: Yes

Weight: 36.1kg (79.6lbs)

Dimensions (LxWxD): 20.5*12.5*10.5 inch ( 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)

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

Warranty: 48 Months

In the box

Bluetti B300 Expansion Battery | 3072Wh × 1

WHY BUY FROM US?

By buying from Ferntech, you'll have the confidence that you are dealing directly with New Zealand's leading drone experts. Our staff are knowledgable drone pilots who offer expert advice, trusted support and superior specialist service. Only through us will you receive a full New Zealand warranty, phone and email support, and access to our certified Repairs Centre with DJI-qualified drone technicians. And we guarantee that we will have the best prices on the market — if not let us know and we will match any price (conditions apply).

Warranty Details

48 Months

Which BLUETTI power stations can work with B300?
AC300/AC200/AC200P/AC200MAX/EB150/EP500Pro. Except for AC300, an additional accessory is required for each station.
AC200P: P090D to XT90 cable
EB150: P090D to DC7909 cable
EP500Pro: P090D to MC4 cable

Can I use BLUETTI B300 expansion battery alone?
Yes. It comes with a 100W USB-C, a USB-A, and a 12V car socket, providing power for phones, laptops, car refrigerators, etc.

How many B300 can I connect to AC300 or AC200MAX?
AC300: Up to 4 B300 for 12,288Wh capacity.
AC200MAX: Up to 2 B300 for 8,192Wh capacity.

Does B300 support App control?
Connect it to the AC300, pair them with BLUETTI App, and you can control the system at any time from anywhere.

What is the maximum input charging power of the BLUETTI B300?
700W Max. with optional D050S DC Charging Enhancer* * Sold separately

Can I use car cigaretter lighter or lead-acid battery to charge B300?
Yes, BLUETTI D050S DC Charging Enhancer* is required. * Sold separately

Can I use third-party solar panels to charge the BLUETTI B300?
Yes, if the solar panels' specs fall in
1) Total Voltage: 12-60V.
2) Total Power: 200W Max.
3) Include MC4 connectors.

Can I use or charge B300 in sub-zero temperatures?
Temperature ranges for B300 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 B300, 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 it possible to replace the built-in battery?
No. If the battery pack is faulty or even dead.

Is B300 waterproof?
No. Also, please do NOT store it in a humid environment for a long time.