Sennheiser BA 370 PX battery lithium polymer rechargeable Sennheiser headphones

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  • Indispensable for the M-550X  

    Sennheiser BA 370 PX Rechargeable lithium polymer battery for Sennheiser Headphone (Electronics)
    Unfortunately not the easiest to change in the dark but otherwise really convenient because the Sennheiser headset becomes a real ball with the thread, no more sound management and in addition they had the bad idea to put a smaller jack than the stan
    Buy at Amazon.com

  • At any point of the original model on PXC310BT and MM450-X  

    Sennheiser BA 370 PX Rechargeable lithium polymer battery for Sennheiser Headphone (Electronics)
    Used on a PXC 310 BT-MM450-X and without any problems. Allow 2 or 3 cycles of use before having the rated capacity.
    Buy at Amazon.com

  • Two batteries when listening to music full time  

    Sennheiser BA 370 PX Rechargeable lithium polymer battery for Sennheiser Headphone (Electronics)
    Responds exactly as needed for people who listen to music for long. I bought it for a teen who is delighted.
    Buy at Amazon.com