BLUETTI B300 Expansion Battery | 3,072Wh
- 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.
30 Days Price Match Guarantee
BLUETTI guarantees that we will refund you the difference if you find a lower price from us within 30 days of your purchase.
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.
4-year Hassle Free
Versatile Power Source
Expandable Battery Pack
Home Backup and Trip Power Bank
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.
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.
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:
Q8: 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.
Q9: 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.
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.
A useful guide to making the most of it all.