AC180P fan mechanical noise – warranty and service question

MykhailoS · January 14, 2026, 10:05am

I would like to ask for your advice regarding my Bluetti AC180P power station.

Information about station:
Bluetti ac180p
AC180P2352000228491
All filmware versions are already up to date:
ARM v2089.04
DSP v2088.04
BMS v1039.01

Problem information:
One of the internal cooling fans produces a clearly noticeable mechanical noise related to the fan rotation itself, not airflow noise. This noise is audible even at low fan speeds and, in a quiet room, is more noticeable than the airflow noise, making it distracting during normal indoor use.

For comparison, I own several Bluetti power stations (2 × AC180P, 3 × AC200PL, 1 × Elite 10). Out of all these units, only one AC180P shows this mechanical fan noise. None of the other units produce a similar sound under comparable conditions.

I reviewed publicly available YouTube teardown videos of the AC180P, which indicate that the unit uses two identical cooling fans. Despite this, only the air intake fan in my unit produces the mechanical noise, while the exhaust fan operates normally.

Based on sound characteristics and visual observation, this may indicate a manufacturing defect of the specific fan. When shining a flashlight through the grille during operation, a slight wobble of the fan blades can be observed.

To document the issue, I recorded four short videos:

Please advise whether this mechanical fan noise is considered a warranty case and if it can be resolved by replacing the faulty fan under warranty, specifically by the official Bluetti service center in Ukraine, and what the recommended procedure would be.

The power station otherwise operates correctly, but the noise is clearly reproducible and affects normal use.

Thank you for your support.
Mykhailo

MykhailoS · January 16, 2026, 11:27am

@BLUETTI_CARE

Hello, just a follow-up on my previous message regarding the mechanical noise from one cooling fan on my AC180P. I have shared comparison videos and added firmware screenshots in the initial comment for reference. I would appreciate your guidance on whether this can be handled as a warranty case. Thank you.

Tezzabee · January 16, 2026, 6:48pm

Hi, there is a noticeably different sound between the fans in the first 2 videos.
The fan seems to be doing its job at the moment, but I would worry that the affected fan might fail at some point if it has a mechanical issue. I hope you are able to get this resolved.

MykhailoS · January 16, 2026, 7:46pm

Thank you for your comment, I appreciate your observation.

I agree that the fan currently performs its cooling function, but the concern is specifically about the mechanical noise, which could indicate a potential issue over time. Overall, the power station works without any functional problems; the only issue is this persistent and distracting mechanical fan noise during operation.

I would also appreciate it if Bluetti support could take a closer look and advise whether this type of mechanical fan noise is considered a case where repair or fan replacement can be performed under warranty .

Thanks again for your input.

BLUETTI_CARE · January 19, 2026, 12:24pm

Hi @MykhailoS, thank you for providing the detailed information.
As @Tezzabee analyzed, the fan noise does sound abnormal. Please log into the app and switch to the silent charging mode—does this resolve the issue?
It is also possible that the internal temperature is too high. If you turn off the device for 3 hours and then power it on again, does the problem persist?
If the problem remains, please click my profile and send us a private message. We will then provide you with the address of our partner repair station in Ukraine, which will arrange the repair service for you.