Bluetti AC200MAX Fan sound

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I made this video as I received an Amazon request asking about the sound, but I now strongly suggest you do not buy a Bluetti Product as the customer service is abysmal. If you read the comments and replies I am having with somebody who has experienced exactly the same fault as I, namely that the whole battery charge can disappear over night even when it is switched off. Bluetti's initial response was that this is quite normal. So, hardly a glowing endorsement for a battery storage product. Further to the above, the battery storage problem was resolved with an update, and I am consequently more than happy with it. My advice now is to buy a Bluetti in preference to an Ecoflow I also have, though half the size, its fan is twice as loud and even worst, comes on and stays on for no apparent reason, especially when the daylight has turned on the Ecoflow, but not enough to promote a charge, and with no output either, why does its fan need to come on in cold weather and stay on. Ecoflow sent me a replacement, but its still the same.

Опубликовано:

17 ноя 2022

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Комментарии : 21

@sun-sea-solar Год назад

Probably do with some more ventilation on the side

@musangubeni6942 5 месяцев назад

How many decibels?

@liamhenning Год назад

Do you find the fan has a ever so slight grinding noise to it?

@petercharlton515 Год назад

Occasionally, when it initially starts to spin. Please note however, that I now do not recommend anybody to buy a Bluetti product, after just four months, it has a tendency to self discharge all the way down to 0% overnight. When I contacted Bluetti, I was told this is "Normal", which hardly seems ideal for a battery!, then that it was "coincidental", now it seems I get no response at all. I am finding reports elsewhere that the Bluetti do not in any way honour their warranty commitment.

@liamhenning Год назад

@@petercharlton515 no way mine does the same thing! I am currently speaking to support about me. I updated the BMS yesterday. Waiting to see if it works.

@petercharlton515 Год назад

@@liamhenning When you say yours does the same thing, are you saying you turn it off at night with maybe a 90% charge, wake up in the morning, turn it on, and find its empty? In which case, feel free to tell Joanna my name and so it is a problem with them. What is "updating the BMS"? I had tried charging it up from the mains all the way from 0 to 100 % and letting it stand overnight, but that didnt work. Now let me tell you what I am trying now, I understand the cold and condensation might be causing problems with these new types of batteries, so today I stuck an 8 w reptile heating pad to the bottom and put a towel over the whole lot to keep it warmish and dry, my flat is quite cold at 6 degrees last night so ask me again in a few days if this has worked if you like?

@liamhenning Год назад

@@petercharlton515 yea exactly that. It doesn’t happen every time but it seems to have only started happening now it’s got colder. The BMS is what controls the charging of the battery. So it’s possible that a BMS firmware update might fix it. What support have Bluetti offered you?

@petercharlton515 Год назад

@@liamhenning My battery charges OK, its just that it has developed this tendency to not store the charge. Apart from the fob offs from China where they claimed this was "Normal", all Blueitti UK have done is given me a single suggestion to try. Anyway, this morning with my 8 watt heater pad affixed to the bottom, I awoke to find I only lost about 2% overnight which would have been used to run the pad and the fan which still feels the need to keep coming on annoyingly even when its only using 8 watts, so I will plug the heater pad into the mains tonight.