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The Corsair HS70 Pro Wireless is an optimal wireless headphone compatible with most media devices. This set features both dual speakers and a microphone.

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So the headset doesn't turn on after battery replacement error.

Meme Story to ignore:

So.... quick question if I were... to accidentally connect the new battery with the wrong polarity and then leave it charging for 30min... watch the tutorial again realize that the polarity is wrong open it up again and then correct the polarity and the thing doesn't power up... would it break the headset... just asking for a friend :'L

Actual story:

I saw the tutorials, I bought the battery, I didn't have the "tools" the pointy thing for the polarity and I kinda had a little bit of fear of removing the battery and exploding in my face, so I decided to go the a local cellphone repair shop and told them about it... they didn't check the polarity, when I went to pick it up they told me that the thing was charging and working. In my home I connect it but the LEDs didn't turn on. I opened it up and yep they didn't even verify the polarity.

With an old multimeter I tested that the battery had 3.~v DC charge... but the headset doesn't power up. And I heavily suspect that it's gone.

When I connect it for a split second the led powers up before turning off.

Edit:

I bought the same battery of this answer.(the one from the chosen solution)

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@francisco65180 not having done a polarity check is okay since the polarity is printed on the battery and if your battery had a Red and Black wire, I am sure that they installed it right. If you want us to check the polarity, take a couple of good pictures of the battery and the wiring. Then post those with your Question Adicionar imagens a uma pergunta já existente

Just because your battery showed 3V does not mean that it has enough power to turn on your headset. First you want to check your power supply. Make sure it has the proper voltages. Check to make sure that the connectors are not bend etc. Check the DC-in jack of your laptop. Make sure there is no corrosion, debris etc. that prevents it from working. Clean it of any debris etc, use a few puffs of air to clean it out. If none of this works, get an ammeter and see if your headphones draws any amperage from the charger.

Do not forget to check the switch. If you can use a multimeter and see if that works.

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@oldturkey03 Hey thanks for answering.

Let me answer what you said:

>not having done a polarity check is okay since the polarity is printed on the battery and if your battery had a Red and Black wire, I am sure that they installed it right

I verified by opening it up that the polarity was installed wrong in comparison to https://youtu.be/Ju4J-ZwKsb8&t=207 this video tutorial (at 3:26-3:27) he shows how the battery on the right its the original one and the left its the replacement and mine was like the replacement one... and connected...

side note: the guy who change it forced the connector downward and its was almost 45° tilted from the board. I verified connectivity since by connecting the battery and testing the pins on the back with the multimiter.

>First you want to check your power supply. Make sure it has the proper voltages. Check to make sure that the connectors are not bend etc.

Its micro-usb and I have used the brick to charge it before. The led should show a color whenever its empty or full.

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I am going to verify the power button with the multimeter but the fact that the led doesn't turn on at all doesn't fill me with confidence.

First I am going to leave it charging for an hour to see if anything happens... if its fried it cannot get worse...

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@francisco65180 that is for sure. Whatever has happened, happened. Check the circuit board and see if there are any components that may look like they could have been damaged by wrong polarity. I would expect that there is a diode that should have prevented this to begin with...

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