BLUETTI B300S Expansion Battery | 3072Wh (Only Works With AC500)
- Safe & reliable LiFePO₄ battery with 3,500+ life cycles.
- Standalone power station with 100W USB-C, 12V/10A car port and USB-A port.
- Flexible charging via AC, solar and car power sources.
- Responsive even on freezing days with Self-heating Function.
- Compatible with AC500 for a maximum of 18,432Wh capacity.(AC500+6*B300S)
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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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Expandable Battery Pack
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Responsive Even in the Cold
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Standalone Power Source
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Flexible Recharging
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Blazing Fast Recharging
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Other Top Rated Products
Specifications
BATTERY INFO
OUTPUT
INPUT
GENERAL
User Manual
BLUETTI B300S Expansion Battery | 3072Wh (Only Works With AC500) User Manual
FAQS
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Q1: How many B300 packs can be connected to AC500?
A:4*B300
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Q2: How many B300S packs can be connected to AC500?
A:6*B300S
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Q3: Can B300S and B300 be mixed in an AC500 power system?
A:Yes. 4 packs in total.
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Q4: Does B300s support App control?
A:Connect it to the AC500, pair them with BLUETTI App, and you can control the system at any time from anywhere.
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Q5: Can I use B300s alone as a UPS?
A:No.
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Q6: What is the maximum input charging power of the BLUETTI B300S?
A:1000W Max. with optional D050S DC Charging Enhancer*
* Sold separately -
Q7: Can I use car cigarette lighter or lead-acid battery to charge B300S?
A:Yes, BLUETTI D050S DC Charging Enhancer* is required.
* Sold separately -
Q8: Can I use third-party solar panels to charge the BLUETTI B300S?
A:Yes, if the solar panels' specs fall in
1) Total Voltage: 12-60V
2) Total Power: 500W Max.
3) Include MC4 connectors. -
Q9: Can it charge and discharge at the same time?
A:Yes.
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Q10: Can I use or charge B300S in sub-zero temperatures?
A:Temperature ranges for B300S 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 B300s, 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 B300S waterproof?
A:No. Also, please do NOT store it in a humid environment for a long time.
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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.
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Q14: I'd like more tutorial videos on the AC500 and B300S combo.
A:Sure, please follow BLUETTI Support on YouTube.
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Q15: What is the difference between B300S and B300?
A:1) Current capacity: 130A for B300S while 75A for B300.
2) ONLY B300S features the automatic heating function.
3) Solar input: 500W for B300S while 200W for B300. -
Q16: How does the heating function work?
A:When the temperature is below 0℃, the battery will be automatically heated once AC or PV charging is activated (input power>400W).
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Q17: Can the B300S be used with the AC300?
A:No.
How-to
A useful guide to making the most of it all.
Product Application
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B300S | Battery Module Tutorial
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B300 | How to connect the B300/B300S to AC500
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