https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492144#M465 I have found that charging in general works fastest with the charger connector that came with, plugged into the mains. Any other connector or plug combo or charging from pc produces all kinds of inconsistent results. Wed, 26 Oct 2016 10:00:41 GMT NealR 2016-10-26T10:00:41Z https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492143#M464 The battery stays at the percentage when it was plugged in for a while then starts going down.<BR />What is weird also is that it reaches 0% and stays there for a long time before it turns off.<BR /><BR />This is also accompanied with some heat build up in the phone.<BR /><BR />Anyone knows of any solution to this? Wed, 26 Oct 2016 07:36:26 GMT https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492143#M464 khalilk 2016-10-26T07:36:26Z https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492144#M465 I have found that charging in general works fastest with the charger connector that came with, plugged into the mains. Any other connector or plug combo or charging from pc produces all kinds of inconsistent results. Wed, 26 Oct 2016 10:00:41 GMT https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492144#M465 NealR 2016-10-26T10:00:41Z https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492145#M466 You are right. The sony cable works best. Sat, 26 Nov 2016 20:30:36 GMT https://community.sony.hr/t5/xa-series/xperia-xa-charging-in-car-radio-usb/m-p/3492145#M466 khalilk 2016-11-26T20:30:36Z