一、車載手機充電器多少安的充電快

車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)深受車(che)主(zhu)的(de)青睞，不過也有一部分車(che)主(zhu)抱怨車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)的(de)充(chong)(chong)(chong)電(dian)(dian)(dian)效率(lv)慢，一般情況(kuang)下，車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)效率(lv)低(di)(di)(di)的(de)原因有兩種(zhong)，一種(zhong)是車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)本(ben)身質量(liang)有問題，遇上這種(zhong)情況(kuang)，我們購買(mai)一個(ge)好一點的(de)車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)就(jiu)可以解(jie)決；另一種(zhong)是車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)的(de)功率(lv)較(jiao)低(di)(di)(di)，一般功率(lv)較(jiao)低(di)(di)(di)的(de)車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)充(chong)(chong)(chong)電(dian)(dian)(dian)速度會(hui)慢，尤其是在一些車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)支持快充(chong)(chong)(chong)功能(neng)后，對比起來就(jiu)顯(xian)得(de)更慢了，那么車(che)載(zai)(zai)(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)器(qi)(qi)電(dian)(dian)(dian)流多(duo)大好呢？

車(che)載(zai)充(chong)(chong)電器(qi)均適用(yong)于12V、24V的車(che)載(zai)點煙器(qi)接口，而其輸出(chu)功(gong)率(lv)(lv)則(ze)根據車(che)載(zai)充(chong)(chong)電器(qi)產品不同有一(yi)定差異(yi)，一(yi)般為(wei)(wei)5V/1A，功(gong)率(lv)(lv)大概為(wei)(wei)5W左右；部分支持快充(chong)(chong)功(gong)能(neng)的車(che)載(zai)充(chong)(chong)電器(qi)能(neng)達到(dao)5V/2A（10W），甚(shen)至是9V/2A（18W）。

考(kao)慮到(dao)車載(zai)充電(dian)(dian)(dian)器(qi)(qi)電(dian)(dian)(dian)的(de)(de)安(an)全問題，車載(zai)充電(dian)(dian)(dian)器(qi)(qi)的(de)(de)電(dian)(dian)(dian)流和電(dian)(dian)(dian)壓(ya)也不宜過大，另外，一(yi)定要(yao)注意(yi)選擇具(ju)有過載(zai)保護(hu)功能的(de)(de)產(chan)品(pin)，以免輸出電(dian)(dian)(dian)流過大會縮(suo)短充電(dian)(dian)(dian)器(qi)(qi)元(yuan)件壽(shou)命，或者因為溫度(du)過高導致損壞甚至(zhi)自(zi)燃。還(huan)要(yao)注意(yi)的(de)(de)是(shi)，市(shi)面上(shang)的(de)(de)車載(zai)充電(dian)(dian)(dian)器(qi)(qi)的(de)(de)輸入電(dian)(dian)(dian)壓(ya)基本都是(shi)12V—24V，輸出電(dian)(dian)(dian)壓(ya)為5V，而輸出電(dian)(dian)(dian)流則(ze)在1A~4A左右，但是(shi)部分“三無(wu)”或者“山寨”產(chan)品(pin)普遍有充電(dian)(dian)(dian)電(dian)(dian)(dian)流虛標的(de)(de)現象，這會影響到(dao)手機(ji)的(de)(de)充電(dian)(dian)(dian)效率(lv)，因此(ci)要(yao)選購正規產(chan)品(pin)。

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二、車載充電器電流小怎么辦

車(che)載(zai)充電(dian)器充電(dian)慢(man)，如(ru)果(guo)又剛好在使用手(shou)機(ji)導航的(de)話，不(bu)一(yi)會兒就會發現手(shou)機(ji)電(dian)量不(bu)增反降(jiang)，甚(shen)至手(shou)機(ji)還特(te)別燙，這(zhe)一(yi)般是因為車(che)載(zai)充電(dian)器電(dian)流小(xiao)(xiao)導致(zhi)的(de)，那(nei)么車(che)充電(dian)流小(xiao)(xiao)怎么辦呢？遇上這(zhe)種(zhong)情(qing)況(kuang)，我們應該：

1、直接用車上自帶的USB接口充電

車(che)內的USB接口(kou)是為了音頻數(shu)據(ju)傳(chuan)輸用的，不適合給手(shou)機充(chong)電，其輸出電流也只有(you)5V/0.5A，不過許(xu)多(duo)車(che)型也有(you)符合手(shou)機等移動設備使用的USB接口(kou)，通常設置(zhi)在(zai)扶手(shou)箱(xiang)、后排(pai)出風口(kou)下(xia)方，帶有(you)電流標志。

2、使用車充時選擇正確的接口

車載充電器一(yi)般有單口(kou)、雙(shuang)口(kou)、多口(kou)等(deng)類型，其中雙(shuang)口(kou)比較常用，爽口(kou)一(yi)般是兩種(zhong)規(gui)格，一(yi)個是5V/1A，另一(yi)個通常是5V/2.1A，手機(ji)適合(he)1A的接(jie)口(kou)，平板適合(he)2.1A的接(jie)口(kou)，如(ru)果接(jie)錯(cuo)了可能會導致充電(dian)慢、手機(ji)發燙等(deng)，長此以往還會損壞電(dian)池，因此要注意選擇正確的接(jie)口(kou)。