https://community.sony.lt/t5/portable-audio/fast-charging-xm4-s/m-p/3918710#M12988 <P>Hey <a href="https://community.sony.lt/t5/user/viewprofilepage/user-id/1515057631">@STUART1978</a>, I think it would damage the battery or reduce its life. It is safer to use the supplied cable with any AC adapter.</P> Tue, 25 Jul 2023 16:52:29 GMT Piscie 2023-07-25T16:52:29Z https://community.sony.lt/t5/portable-audio/fast-charging-xm4-s/m-p/3918549#M12982 <P><SPAN>I have a fast charger (UGreen GaN X 65w) to charge my phone. Can I safely charge my WH-1000XM4s using said fast charger without doing damage?</SPAN><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_2995.jpeg" style="width: 1200px;"><img src="https://community.sony.lt/t5/image/serverpage/image-id/492209iA4AF1E98140C8701/image-size/large?v=v2&amp;px=999" role="button" title="IMG_2995.jpeg" alt="IMG_2995.jpeg" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_2996.jpeg" style="width: 1200px;"><img src="https://community.sony.lt/t5/image/serverpage/image-id/492210i069792FD50DD5A5D/image-size/large?v=v2&amp;px=999" role="button" title="IMG_2996.jpeg" alt="IMG_2996.jpeg" /></span></P> Mon, 24 Jul 2023 10:28:25 GMT https://community.sony.lt/t5/portable-audio/fast-charging-xm4-s/m-p/3918549#M12982 STUART1978 2023-07-24T10:28:25Z https://community.sony.lt/t5/portable-audio/fast-charging-xm4-s/m-p/3918710#M12988 <P>Hey <a href="https://community.sony.lt/t5/user/viewprofilepage/user-id/1515057631">@STUART1978</a>, I think it would damage the battery or reduce its life. It is safer to use the supplied cable with any AC adapter.</P> Tue, 25 Jul 2023 16:52:29 GMT https://community.sony.lt/t5/portable-audio/fast-charging-xm4-s/m-p/3918710#M12988 Piscie 2023-07-25T16:52:29Z