一、車載手機充電器多少安的充電快

車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)深(shen)受車(che)主的(de)青(qing)睞，不過也有一部分車(che)主抱(bao)怨(yuan)車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)的(de)充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)效率慢(man)，一般情(qing)況(kuang)下，車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)效率低(di)的(de)原因有兩(liang)種，一種是(shi)車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)本身質量有問題(ti)，遇上這種情(qing)況(kuang)，我們購買一個好一點的(de)車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)就(jiu)(jiu)可以解(jie)決；另一種是(shi)車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)的(de)功率較低(di)，一般功率較低(di)的(de)車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)速度會慢(man)，尤其是(shi)在一些車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)支持快(kuai)充(chong)(chong)(chong)(chong)(chong)功能后，對比起來(lai)就(jiu)(jiu)顯得更慢(man)了，那么車(che)載充(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)電(dian)(dian)(dian)(dian)(dian)流多(duo)大好呢？

車(che)載(zai)充(chong)電器均適用(yong)于12V、24V的車(che)載(zai)點煙器接口，而(er)其輸出功率(lv)則根據車(che)載(zai)充(chong)電器產品不(bu)同有一定(ding)差異(yi)，一般為(wei)5V/1A，功率(lv)大概為(wei)5W左右；部分支(zhi)持快充(chong)功能的車(che)載(zai)充(chong)電器能達到(dao)5V/2A（10W），甚至是(shi)9V/2A（18W）。

考慮到車(che)載充(chong)電(dian)(dian)(dian)(dian)器電(dian)(dian)(dian)(dian)的安(an)全問(wen)題(ti)，車(che)載充(chong)電(dian)(dian)(dian)(dian)器的電(dian)(dian)(dian)(dian)流(liu)和電(dian)(dian)(dian)(dian)壓也不宜過(guo)大(da)(da)，另(ling)外，一定要注意選擇(ze)具有過(guo)載保(bao)護功能(neng)的產品(pin)(pin)，以免輸出(chu)(chu)(chu)電(dian)(dian)(dian)(dian)流(liu)過(guo)大(da)(da)會縮短充(chong)電(dian)(dian)(dian)(dian)器元件壽命(ming)，或者(zhe)因(yin)為溫度過(guo)高導致損壞甚至自燃。還要注意的是(shi)，市面(mian)上的車(che)載充(chong)電(dian)(dian)(dian)(dian)器的輸入電(dian)(dian)(dian)(dian)壓基本(ben)都是(shi)12V—24V，輸出(chu)(chu)(chu)電(dian)(dian)(dian)(dian)壓為5V，而輸出(chu)(chu)(chu)電(dian)(dian)(dian)(dian)流(liu)則在1A~4A左右，但是(shi)部分(fen)“三無”或者(zhe)“山寨”產品(pin)(pin)普遍有充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)虛標的現(xian)象，這會影響到手機的充(chong)電(dian)(dian)(dian)(dian)效(xiao)率，因(yin)此要選購正規產品(pin)(pin)。

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二、車載充電器電流小怎么辦

車載充電(dian)(dian)器充電(dian)(dian)慢，如果又剛好(hao)在使用手(shou)機導航(hang)的話(hua)，不(bu)一(yi)會(hui)兒就(jiu)會(hui)發現手(shou)機電(dian)(dian)量不(bu)增反降，甚(shen)至(zhi)手(shou)機還特別燙，這一(yi)般是因為車載充電(dian)(dian)器電(dian)(dian)流小導致的，那么車充電(dian)(dian)流小怎么辦(ban)呢？遇上(shang)這種情況(kuang)，我們(men)應該(gai)：

1、直接用車上自帶的USB接口充電

車內的(de)USB接(jie)口(kou)是為(wei)了音頻數據傳輸(shu)用(yong)的(de)，不適合(he)給(gei)手機充(chong)電(dian)，其輸(shu)出電(dian)流也只(zhi)有5V/0.5A，不過許多車型也有符合(he)手機等(deng)移(yi)動設備使用(yong)的(de)USB接(jie)口(kou)，通常設置在扶手箱、后排出風口(kou)下方，帶有電(dian)流標志。

2、使用車充時選擇正確的接口

車載充電器一般有單(dan)口(kou)(kou)、雙(shuang)(shuang)口(kou)(kou)、多口(kou)(kou)等(deng)類型(xing)，其中雙(shuang)(shuang)口(kou)(kou)比較常(chang)用(yong)，爽口(kou)(kou)一般是兩(liang)種規格(ge)，一個是5V/1A，另一個通常(chang)是5V/2.1A，手機適(shi)合1A的接(jie)口(kou)(kou)，平板適(shi)合2.1A的接(jie)口(kou)(kou)，如果接(jie)錯了可能會導致充電(dian)(dian)慢、手機發(fa)燙等(deng)，長(chang)此以往還會損壞電(dian)(dian)池，因此要注意選擇正(zheng)確的接(jie)口(kou)(kou)。