BLUETTI B300 Expansion Battery | 3,072Wh
- Massive 716Wh capacity and 1000W rated wattage
- The ultra-stable LiFePO4 battery chemistry,2500+ life cycles
- 2*230V AC outlets, 2*100W PD ports, 2*5V/3A USB-A ports, 2*regulated 12V/10A DC outputs, 1*12V/10A car port,1*15W wireless charging pad.
- With max input of 200W, this power station can be fully recharged in 3-4 hrs with solar panels (OCV 12-28V, 200W)
- It can also get fully recharged from an AC wall outlet in 3-4 hrs or a 12V car port in 7-8 hrs.
1. Valid purchase history within 30 days.
2. Take a screenshot of the lower price and email us, we'll refund the differences as soon as we confirmed it.
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Flexible Recharging

Versatile Power Source

Expandable Battery Pack

Home Backup and Trip Power Bank

BATTERY INFO
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INPUT
RECHARGE TIMES
GENERAL
User Manual
BLUETTI B300 Expansion Battery | 3,072Wh User Manual
FAQS
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Q1: Which BLUETTI power stations can work with B300?
A:AC300/AC200/AC200P/AC200MAX/EB150/EB240/EP500Pro. Except for AC300, an additional accessory is required for each station.
AC200/AC200P: P090D to XT90 cable
EB150/EB240: P090D to DC7909 cable
EP500Pro: P090D To MC4 -
Q2: Can I use BLUETTI B300 expansion battery alone?
A:Yes. It comes with a 100W USB-C, a USB-A, and a 12V car socket, providing power for phones, laptops, car refrigerators, etc.
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Q3: How many B300 can I connect to AC300 or AC200MAX?
A:AC300: Up to 4 B300 for 12,288Wh capacity.
AC200MAX: Up to 2 B300 for 8,192Wh capacity. -
Q4: Does B300 support App control?
A:Connect it to the AC300, pair them with BLUETTI App, and you can control the system at any time from anywhere.
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Q5: What is the maximum input charging power of the BLUETTI B300?
A:700W Max. with optional D050S DC Charging Enhancer*
* Sold separately -
Q6: Can I use car cigaretter lighter or lead-acid battery to charge B300?
A:Yes, BLUETTI D050S DC Charging Enhancer* is required.
* Sold separately -
Q7: Can it charge and discharge at the same time?
A:Yes.
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Q8: Can I use or charge B300 in sub-zero temperatures?
Temperature ranges for B300 are:
Charge: 0-40â (32-104â);
Discharge: -20-40â (-4-104â);
Storage: -20-40â (-4-104â).
Technically, it can power electrical devices under such situations, but please avoid charging it. -
Q9: How long can it run my device?
Running time = Battery capacity à DoD à Ρ á Device rated power DoD refers to Depth of Discharge and Ρ is local inverter efficiency.
For B300, both DoD and Ρ are 90%. If you run a 100W light bulb with it, the running time will be:
3,072Wh Ă 90% Ă 90% á 100W â 25hrs
Note: The above data is for reference ONLY. -
Q10: Is B300 waterproof?
No. Also, please do NOT store it in a humid environment for a long time. -
Q11: Is it possible to replace the built-in battery?
No. If the battery pack is faulty or even dead, please contact BLUETTI Customer Service. -
Q12: I'd like more tutorial videos on the AC300 and B300 combo.
Sure, please follow BLUETTI Support on YouTube.