Replace rechargeable battery in wireless AKG T912 headphones

Couple months ago i got myself used AKG T912 headphones.  They can be used with regular battery or rechargeable.

Question is how whey prevent from recharge a single use battery when someone stuff it inside.

Answer is a third contact for recharge touching body of battery.

To be able use rechargeable battery, it need to have striped part of battery body to allow third pin contact – and then be recharge.

So if You fit rechargeable battery inside AKG T912 and they not charge – check for contact to body.

On pictures bellow You can see how it works.

 

6 thoughts on “Replace rechargeable battery in wireless AKG T912 headphones

  1. Dude says:

    Thank you so much Sir, this helped me revive the old headphones sitting unused for like 7 years with completely dead old batteries.

  2. Kabal za says:

    I was going crazy last night wondering why it was not charging my new batteries.

    Thank you thank you thank you

  3. Amit Whig says:

    Hi Dear
    I am facing the same problem with my AKG K912 headphones. I love the headphones but cannot recharge them. Can I use a standard rechargeble battery and “remove” a part of the insulation cover towards the Negative Contact so the side contact of the rechargeble battery? Will it work??
    regards
    Amit
    whigi2@hotmail.com

  4. RA says:

    Thank you, very helpful!

  5. Oscar Byamos says:

    Hello all, I’m still stuck, I cannot charge or tune. Both red lights are off, however power on the cradle is on and power on the headset is on too. Please help.

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