Bose QC35 QC35II QuietComfort 35 Headphones Battery Replacement Part Installation

[@irving900]

Thank you for the video, i'm from Brazil, and i have these headphones for ever, when the battery was dead, i thought that i will never have a good headphone anymore, "they are really expensive im Brazil, like 2 minimum wages". But then i see the video, ha bought a battery in ebay. With no expertice in soldering or any eletrical repair i done. And my precious headphones came back to life. You made me very happy, i wish you dream tonight knowing that you helped someone. Keep the good work ! (Sorry for the broken English)

[@CentralSound]

Glad It worked out for you!

[@jaycee6689]

wow im super happy for you

[@Robsbrd99]

Got my battery yesterday. Installed it this afternoon with no issues. I thought I'd try some electrical tape to put the top of the battery case back on incase I need to do this again. The headphones work and are charging as I type. Funny story. The eight year old battery was at 50 percent when I left the gym on Wed. When I got on the treadmill and tried to turn them on this morning, nothing. Tried to charge them, nothing. The old battery knew just when to fail.😂

[@CentralSound]

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[@ericb7937]

How close to stock battery?

[@empty9360]

WARNING: Be extremely careful when heating the glue better use some capton tape to protect the speaker. I melted mine slightly which results in a extremely loud squeaky noise. The only way to fix this is to replace the speakers which is even harder than the replacement of the battery. If you don’t have the tools and the skill to do repairs like this, better don’t replace the battery

[@Sam-dc9bg]

Thanks. Just finished with this. The process took maybe 15 mins max and is easy.

[@CentralSound]

You’re a champion! Good job

[@Christopherbirck23]

Thanks for the video! its was super easy, and took about 15 mins, and best of all my headphones are working again!

[@CentralSound]

Glad it helped!

[@andriegilsson6623]

After seeing this... neeeever mind.

[@KenoKanawa]

Same 🤣

[@eartheternal3565]

You can do it!

[@TrinityAlex]

Thank you for the video! Was thinking of buying these. Now you changed my mind - this is planned obsolescence... will better get the Sennheiser PXC 550, much easier process.

[@CentralSound]

You’re welcome! These really are not bad headphones, I personally use them and the battery life is really good.

[@GameGym]

isd there only 1 battery or you should do this for both left and right sides?

[@CentralSound]

Hello and thanks for asking that question. There is only one battery that powers the whole unit (both sides).

[@GameGym]

@@CentralSound Thanks alot.

[@Ryanoc1337]

Thansk for video. What is the liquid you put on the electronic card after cutting the lines, and is it mandatory?

[@CentralSound]

It’s flux and it’s used to clean any oxidation on the contacts. It maybe necessary if you are having difficulty creating a strong bond.

[@aledondale7925]

nice vid its easier than i thought

[@CentralSound]

Thanks for watching.

[@leulino]

Is there just a battery on left side?

[@jean-jacquesgourdin1725]

I tried but due to health problem my hands shake quite a bit and I'm not quite as accurate as I used to be. I tried to perform the procedure but when I turn the headphones on, they emit a loud whistling sound instead. Any idea where this could come from? Due to my sloppy handiwork I might have accidentally put tin where it shouldn't be, connecting stuff that shouldn't be connected. But I'm not an expert enough to know for sure. Any idea?

[@CentralSound]

Hello, if you do not have the ear pads installed they may make that sound. It usually clears once you put the ear pads back on.

[@miscgloryofficial4527]

ok, if you havent used soldiering iron before? but need to replace battery, so noob, how hard is this for a person with no experience??? Looks easy, but obv i wouldbnt have a clue! thank you!

[@CentralSound]

Not too difficult at all. You can watch a few how to videos on youtube to get the hang of it. You can buy soldering kits for fairly cheap that will work, no problem. It's a really handy skill to have for future repairs.

[@MikkoRantalainen]

You should probably practice using the soldering iron for an half an hour on some old electronics first (a broken clock or anything with small wires will do just fine). And get some no-clean soldering flux to make things a lot easier. The more flux you have on the thing you're trying to solder, the easier it will be solder. And the no-clean flux is stuff that doesn't need to be removed with alcohol after the soldering is done which is why you want that for small spaces like this one. If you get regular flux and never remove it, it may destroy the solder joint in a year or two if you're unlucky. I think it's because regular flux is mild acid and it will damage the solder in long run if left on the solder. And get good tweezers because these parts are too small for your fingers.

[@siegturtle2335]

Does anyone know what that white tape is used for and should it be in contact with the protective R or L fabric?

[@adiposerex5150]

It’s a nylon cable.

[@Daimodess]

When u replace the protective cover, at 09:00, are u just heating the original adhesive? Or do you have to add something, and if so, what?

[@CentralSound]

Just heating the adhesive. You could add another adhesive if you would like. T-7000 adhesive would be good 👍

[@720_xan3]

What is the pin h use to put the wires together

[@danthemode]

Is it possible to change the battery from the Sondlink AE2 Headphones?

[@CentralSound]

Thanks for your question. Yes it is and we will be dropping a video for that soon..be sure to subscribe for more helpful content 😉

[@ultimatums1]

is the battery you are offering the same one provided by the manufacturer? or after market? will it provide the same amount of hours?

[@CentralSound]

Hello, thanks for your interest. The battery is aftermarket and will provide more hours than the original, it is an upgrade : )

[@ultimatums1]

@@CentralSound Thank you. Just a little nervous about after market batteries as they seem to bubble and flame up. the last thing i want to have is a burned up ear. but it seems like everyone is happy with your service. so i'll go ahead and order one. I'll appreciate though if you can make a video to talk about the audio cutting off because of the antenna or how can we troubleshoot it.

[@CentralSound]

Hello , thanks for the suggestion. We will consider that. In all honesty , one of my go to headphones is the QC35. I replaced the battery with ours , not because the battery was bad, but because I wanted longer battery life. It's been over a year now and no issues. We appreciate you giving us a shot. Any issues feel free to reach out, we're not going anywhere : )

[@ultimatums1]

@@CentralSound Thanks and much appreciated. i'm all for supporting our local businesses. so thank you for advertising yourself by that. you are a true patriot.

[@CentralSound]

Your small biz support is greatly appreciated.

[@rugartube1970]

Did QC35 loose all settings when the old battery was disconnected? I mean, all paired devices, etc. I have a weird "problem" in my QC35. When qc35 is off the battery led light is always on, solid red. Even if the battery is full. I'd like to disconnect the battery and see what happens. Have tried to reset, old and new firmwares. No results 😕

[@CentralSound]

If the only issue is the battery light I wouldn't mess with it. If other issues arise then look in to it.

[@irving900]

i replace my, and all the setting remained

[@justaguyfromreddit]

is the battery still available? My 6 years old QC35 have now turned into a 1 day use headset 😂

[@CentralSound]

Yes we have them available

[@martincass1816]

My Bose flahses amber as if it is charging yet does not go green and has no charge, is this the battery?

[@CentralSound]

It sounds like your battery needs to be replaced. It won't fully charge or hold a charge.

[@gegc2003]

@@CentralSound just done replacing with a new one and still not charging. it blinks like its charging but even after 5 hours still not going green. it's not charging past the level i put it last to charge. When i first charged it, it went to 70% then after i used it a little i put it to charge when it was 50% but not going past this and so on. Thanks

[@flavmusic]

Anyone knows if this is silver or tin soldered on original welds ?

[@romenigld]

what is the name of this hot thing for quit the battery cover?

[@CentralSound]

A heat gun

[@cenicenka7895]

Have you tried to upgrade with 2 batteries ?

[@CentralSound]

No , if you try it let us know how it works out. 😁

[@cenicenka7895]

@@CentralSound i Will try in the future with 2 batteries in parallell

[@ellemontgomery5262]

What voltage soldering iron are you using please?

[@CentralSound]

Hello, thanks for asking your question. It's a standard 110V , plugs in to a normal outlet in the USA.

[@Albarios]

Any wattage soldering iron will do the work; they're tiny wires.

[@BizarreGamesStudio]

my headphones have a green light when charging but when disconnected they don't function at all, no light or anything when switching on or off, do you think its the battery?

[@Albarios]

Most likely the battery doesn't keep any charge; that's the reason of that behavior.

[@danielmedina-lt8bu]

good video. However, after 10mins trying to put the cushion back in place, just about when i started to wonder about the meaning of life and such, i switched to double sided scotch tape, for cars, instead (you're welcome).

[@CentralSound]

Thanks for sharing!

[@ultimatums1]

what kind of glue is applied under the battery?

[@CentralSound]

Generally the manufacturer used a type of double sided adhesive. You can use T-8000 or even a couple dabs of super glue will work.

[@fiveminutezen]

I didn't glue this when I redid it, but you could use a hot glue gun or a little tape. It's really not necessary to glue it back into place, it should still be a little sticky when you put it back together.

[@lakasund]

Good instructions video 👍

[@CentralSound]

Glad it was helpful!

[@sm0ki]

It should be way easier to change the batteries on devices like this. I like the quality of these Bose headphones, but the battery is almost dead on mine after not even 2 years. Maybe 30% of the original capacity left.

[@fiveminutezen]

You could bring this to a cellphone repair shop if you don't feel comfortable doing the repair yourself. The battery costs $15 and the labor should be around $25.

[@TheScoobysteve]

Should this video have sound?

[@CentralSound]

No sound

[@TheScoobysteve]

@@CentralSound Cool just checking, super helpful video.

[@usagold860]

bose made a great sounding product without a way for the average user to update for 300 bucks i have bought so many of their products and this makes me feel like a sucker or am i wrong

[@usagold860]

ok i didn't search this so i cant blame bose for that

[@DragonProtector]

my bose headphones 2017 to 2021. replace battery

[@miscme7116]

I personally dislike any product that is planned to be obsolete on purpose. However I do not see it here, as the batteries just do die over time, there is no battery technology that would be forever. Especially Li-Ion and Li-Po based batteries, you cannot expect many years from those, so eventually the day will come that the battery has come to the end of its road and just needs replacing. The manufacturer of the product can't ever really stop this process from happening. If Bose had really wanted to do this impossible in the form like Apple has done with the AirPods - yes, that is in my view clear planned obsolescence and just an a-hole way to make a product. Here, the construction of the headphones is actually fairly simple, and as a person who works with electronics design, I see this replacement work as being at the easy end of the spectrum. They could have done this another way so that you need to destroy the headphones to get to the battery - but they didn't. This is a great way to give new life to the product and let a good product live for a long time. I have these headphones also and they are in heavy use, and someday this work comes for me to do as well. I was happy to see how easy the work is and can do it anytime.

[@jonathank666]

Anbieter im deutschen Sprachraum gesucht! Kennt jemand einen? Gerne Link oder Afilliat Link teilen. Danke schonmal!

[@Thundering_Banshee]

Well, It's better than cellphones that you can't change batteries in, But it's a major pain in the ass.

[@jrgraugnard6901]

OK, this is clearly planned obsolescence. I'll boycott Bose for my next headphones. What a shame !!! Many thanks for tuto, but i'm not electronician

[@CentralSound]

Planned obsolescence is so common amongst electronics now a days.

[@adventureisoutthere8064]

too much heat and the headset is ruined.

[@sv_dandelion]

yup, just found that out the hard way, trashed mine heating up that battery compartment. Did all the work, they turned on, but only on the right side... :(

[@jasonmackenzie3052]

I used a flat head screwdriver and prised the plastic off, just be gentle and saves using heat gun.

[@MikkoRantalainen]

@@jasonmackenzie3052 I think just prying the battery container open without heat is the correct way to proceed. Those Li-ion cells don't need any extra heat for their lifetime.

[@Albarios]

@@MikkoRantalainen well, actually you'd be heating the old battery that will be removed. However, it's good to avoid the heating of the rest of chips and wires.