اخبار دنیای موبایل و تکنولوژی How USB charging works, or how to avoid blowing up your smartphone | ExtremeTech
If you take a smartphone which came with a 900mA wall charger, and plug it into a 2,100mA iPad charger, will it explode?
If you take a smartphone which came with a 900mA wall charger, and plug it into a 2,100mA iPad charger, will it explode?