1. garvitmiglani97's Avatar
    I've a powerbank (13000mah) which has two usb slots one has 1A output and other has 2.1 A output, whenever I charge my phone using 2.1A slot I get slow charge warning but there's no such warning when charging using 1A usb slot. Why's so happening? Is it a bug or something like that?
    09-20-2015 12:36 PM
  2. Derausgewanderte's Avatar
    I've a powerbank (13000mah) which has two usb slots one has 1A output and other has 2.1 A output, whenever I charge my phone using 2.1A slot I get slow charge warning but there's no such warning when charging using 1A usb slot. Why's so happening? Is it a bug or something like that?
    Maybe a bug. I know that on my wife's 640XL with 8.1 Update 2 the same happens on a Jackery charing bank with 2.1A and 1A jack. On my 640XL with latest W10M though it doesn't show the slow charging message.

    I initially thought this is because the phone will simply not use the 2.1A charge and only recognize a USB cable with a tiny trickle charge at 5V and report slow charging. However, my hypothesis does not hold after my experience on W10M.

    I suggest using the 1A jack for charging.

    cheers
    09-20-2015 02:48 PM

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