Is bad charging my phone through an USB port PC??

Ichtech

Reputable
Jan 14, 2016
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Greetings everyone

Is bad charging my phone through an USB port?? My phone required 5V 1-2A and im using 2.0 usb port which is 5V 0.5A, is it bad if the ampere is different from my phone required?? I couldn't using my wall plug because it always full and the other ways is charging through my pc, but im little bit paranoid after read my phone manual book it said charging required 5v 1or2 amp..i dont mind about quick charging im always work with my pc so it doesn't matter but i just want to know it is safe for my battery??
Please help any answer i will appreciate it , thanks