I’m not sure of any user replacement battery type, I have email Astell & kern about it. Waiting for their reply.

Hi guys, I have notice my ak380 battery life is starting to playing up, just yesterday the player only play for 2-3 hour of play time instead of the usual 7-8 hour. Does anyone have similar problem?

If that is good enough for you Wizard :) i'll start posting to your california shop now. Young

Hi Guys, Quick question about my ear impression mold before i sent it to Brannan for the ciem kanata. Today i got my ear impression done but he didn't have any bite block left so he told em to bite on his ear checker handle (the one that check inside your ear). Would that be good enough or...