我(wo)們知道USB數據線除了(le)有數據傳輸的功能，還可以在連接(jie)電(dian)腦的時候(hou)直(zhi)接(jie)給(gei)電(dian)子設備進行供電(dian)。許多人在上班或者上網時也會直(zhi)接(jie)用USB給(gei)手機進行充電(dian)，那(nei)么(me)用USB充電(dian)會對手機產(chan)生(sheng)什(shen)么(me)危害嗎？它(ta)的充電(dian)效果與充電(dian)器相比又(you)有什(shen)么(me)不(bu)同呢？今天深圳充電(dian)器廠家(jia)和你一起揭(jie)開這(zhe)個謎題(ti)。

首先二者的電(dian)壓穩定性不(bu)同(tong)，電(dian)腦USB電(dian)壓相對充(chong)電(dian)器來(lai)(lai)講誤差更小(xiao)，同(tong)時也(ye)更加穩定。另外(wai)許多人會(hui)這樣(yang)的感覺，用(yong)USB充(chong)電(dian)的話，充(chong)電(dian)速(su)度(du)會(hui)比較慢，而(er)且很難(nan)充(chong)滿。這是(shi)因(yin)(yin)為電(dian)腦的USB輸出電(dian)壓為一般都(dou)很精準都(dou)是(shi)5V，而(er)電(dian)流(liu)(liu)只有500mA。因(yin)(yin)為輸出的電(dian)流(liu)(liu)小(xiao)，充(chong)電(dian)速(su)度(du)自然(ran)(ran)就(jiu)慢一些(xie)。很難(nan)充(chong)滿，是(shi)因(yin)(yin)為鋰(li)電(dian)池在充(chong)電(dian)的最后(hou)階段會(hui)變成涓流(liu)(liu)充(chong)電(dian)，涓流(liu)(liu)充(chong)電(dian)是(shi)用(yong)來(lai)(lai)彌補(bu)電(dian)池在充(chong)滿電(dian)后(hou)由于自放電(dian)而(er)造(zao)成的容量損(sun)失，一般充(chong)電(dian)電(dian)流(liu)(liu)會(hui)限(xian)制為充(chong)電(dian)電(dian)流(liu)(liu)1/500級(ji)別。這樣(yang)自然(ran)(ran)就(jiu)很難(nan)充(chong)滿了。

所以(yi)無論(lun)是USB充(chong)(chong)(chong)電(dian)(dian)(dian)還(huan)是用充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)充(chong)(chong)(chong)電(dian)(dian)(dian)，如何選擇(ze)還(huan)是看你如何使用方便，以(yi)及你對充(chong)(chong)(chong)電(dian)(dian)(dian)速度有沒有要(yao)(yao)求，直接用USB數據線可(ke)以(yi)省去了帶充(chong)(chong)(chong)電(dian)(dian)(dian)頭的麻煩，但是充(chong)(chong)(chong)電(dian)(dian)(dian)速度要(yao)(yao)慢一些，深(shen)圳飛天鷹充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)廠家建議您根據自己(ji)的情況進行選擇(ze)。