BLUETTI B300 Expansion Battery | 3072Wh
- 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. Email us a screenshot of the lower price.
3. Promotion period only.
4-year Hassle Free
Versatile Power Source
Expandable Battery Pack
Home Backup and Trip Power Bank
Other Top Rated Products
Fantastic product extremely easy to use as a novice I can confirm! :)
Excellent service very fast delivery and fast reply by BLUETTI customer support. After one month test really love B300. Would recommend and try to have another one.
Still new to Solar Power. Have 2 batteries set up now. Looking to upgrade to 4 if all goes well.
Q1: Which BLUETTI power stations can work with B300?A:
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
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: Can I use B300 alone as a UPS?A:
Q6: What is the maximum input charging power of the BLUETTI B300?A:
700W Max. with optional D050S DC Charging Enhancer* * Sold separately
Q7: Can I use car cigaretter lighter or lead-acid battery to charge B300?A:
Yes, BLUETTI D050S DC Charging Enhancer* is required. * Sold separately
Q8: Can I use third-party solar panels to charge the BLUETTI B300?A:
Yes, if the solar panels' specs fall in
1) Total Voltage: 12-60V.
2) Total Power: 200W Max.
3) Include MC4 connectors.
Q9: Can it charge and discharge at the same time?A:
Q10: Can I use or charge B300 in sub-zero temperatures?A:
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.
Q11: How long can it run my device?A:
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.
Q12: Is B300 waterproof?A:
No. Also, please do NOT store it in a humid environment for a long time.
Q13: Is it possible to replace the built-in battery?A:
No. If the battery pack is faulty or even dead, please contact BLUETTI Customer Service.
Q14: I'd like more tutorial videos on the AC300 and B300 combo.A:
Sure, please follow BLUETTI Support onYouTube
A useful guide to making the most of it all.