Introdução

Bose не продаёт аккумуляторы для NC700 и, кажется, не производит замену. Я даже не смог найти китайский аналог. В этом руководстве я описываю процесс замены оригинального аккумулятора на универсальный аккумулятор.

Пожалуйста, не пытайтесь это повторить если у вас нет элементарных знаний в электронике и вы никогда не паяли.

  1. uij4GSnGVO3SjUQ3
    • Используйте пластиковую карту чтобы снять амбушюру с левой чашки. Засуньте карту в щель и сделайте вращательное движение.

  2. RvWCFCTN4tavkpq6
    • Снимите тканевую накладку и открутите четыре винта с помощью отвертки Torx TR6.

  3. MpKQCUcUEJvr1jNd
    • Осторожно отсоедините шлейф.

    • Перережьте три провода аккумулятора. Перерезайте по одному проводу за раз чтобы избежать короткого замыкания!

  4. vfUFywmS6joQWY5L
    • Батарея приклеена к корпусу. С помощью ножа аккуратно срежьте батарею. Постарайтесь не повредить батарею!

    • Обязательно очистите корпус от остатков клея.

  5. 3IvPdeFGlQA4aEqb
    • Снимите оболочку со старой батареи.

  6. gi3RkDnDftWDsowb
    • Отрежьте контроллер от старой батареи.

  7. ZPpmId1hbn2lySoR
    • Отрежьте контроллер от новой батареи.

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    3RsWPtrdCs2AArH1
    QSxrZMLyXjm6JnrE
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    • Припаяйте новую батарею к старому контроллеру. Соблюдай полярность!

  9. Aap5ungYfSFOjvGR
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    • Измерьте напряжение на выводах контроллера. Скорее всего вы получите 0 вольт. Требуется пробудить контроллер.

    • Используйте любой контроллер заряда батареи. Припаяйте батарею к контактам для батареи на контроллере.

    • Заряжайте батарею через внешний контроллер 5-10 минут.

    • Отсоедините зарядный кабель и убедитесь что на батарее появилось напряжение. Зарядите батарею до 4 вольт (если требуется).

    • Отпаяйте внешний контроллер.

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    • Закрепите контроллер на батарее с помощью скотча.

  11. MKC6Z3qupHZ6KMrJ
    • Припаяйте аккумулятор. Используйте термоусадочную трубку или изоленту чтобы изолировать место пайки.

    • Ваши наушники включатся когда вы припаяете аккумулятор. Отключите их.

  12. FbCB52CKJBdAlIcv
    • Поместите аккумулятор на дно чашки.

Conclusão

Чтобы собрать устройство, выполните пункты инструкции в обратном порядке.

Andrew Yakunin

Membro desde: 17/02/24

792 Reputação

25 comentários

Thank you, very useful and money saving

Petra Ehlers -

Happy to help.

Andrew Yakunin -

Cool! how did you knew the battery was the issue? Did you have the red/white blinking LED issue on your headphones? I got that issue since the end of last year, and am not quite sure if it is a software or hardware related issue. Would love to fix it but indeed couldnt find any official replacement batteries or anything.

Headphone -

Yeah, I had the same problem. I think there's a bug in these headphones. If the battery is very low, the headphones think there is no battery and don't charge it.

Andrew Yakunin -

my man. thanks

Ron Tahan -

How many hours does this battery last on full charge?

Jonathan Ortiz -

I got about 15-17 hours at medium volume with the NC off.

Andrew Yakunin -

Be careful when replacing the battery!

The original seems to be a HV Lipo (3.8V).

Replacing it with a normal Lipo (3.7V) can lead to overcharging.

Rene -

You're right. But the battery is still working fine.

Andrew Yakunin -

Does anyone have a link to a replacement battery they’ve used? Thanks

Adam Law -

Saw a battery that is 3.8v. Do you think this will works?

https://www.aliexpress.com/item/10050060...

Loh Loh -

Another one, seem like this is the original battery.

https://www.joesge.com/products/bose-nc7...

Loh Loh -

I managed to fit a 102040 instead of 802040, which gave more capacity.

https://www.aliexpress.com/item/10050045...

And you do not have to cut the wires to the battery, but simply cut the connector on the battery, and solder the to metal flaps to the new battery, making the change a tiny bit easier

Thue Vestergaard Iversen -

Glad you got it. Do you have any photos?

Andrew Yakunin -

Hi there,

Did you try to fit bigger batteries into the frame?

Petr -

I've found a compatible battery from a company called "vhbw" which sells replacement batteries for all kinds of electronics - "NC 700" in this case.

That made things a lot easier because I didn't have to solder anything. I've just cut the cables to the old battery (one by one and then isolate them to prevent short circuits), removed it and tied together the corresponding cables with each other with smurf tube. Works like a charm. I've also had to load it via an external loading module first.

The issue I've had was the red and white blinking LED. This solved it, the earphones now accept power again and start loading.

Sebastian -

Hi, Thank you very much. I am so thankful for ppl like you who can show me how to do something as if I was in sixth grade. I managed to fix my headphones with you standing on my shoulder.

Brian

mortisgage -

Hi

I'm glad my guide helped you.

Andrew Yakunin -

I found a good fitting battery on amazon.de (Germany). You do not need to change the battery circuit board because it already has the three cables red, black and white. The battery is called BW889004009 (vendor vhbw) and is labeled as replacement for 792200-0010. It worked for me perfectly.

https://www.amazon.de/vhbw-kompatibel-Wi...

Stefan Watermann -

I accidentally threw the controller of the original battery away, how will i be able to use a new battery without the original controller attached to it? Is it still possible?

Juul Jelles -

This product page has replacement batteries for QC35, QC45, and nc700 with the same specs as the original.
https://www.aliexpress.us/item/325680713...

David Vierkant -

Is it necessary to change the controller or can I use the controller from the new battery?

Alan Ossher -

Thank you for this very usefull tuto. If i can add you dont need to remove all the mesh from the ear cup. If you remove very carefully near the screw you can just push it back after and it is like new.
Also my headphone was stuck in a reboot loop and I thought it was the battery. It was not... it was a bug with an app for my bluethooth speaker. After removing the headphone from my phone it did work well again.

Antoine van der Straeten -

How can i get the exact battery

ohr ./ -