如今電動車已經成為大家上下班的重要工具，而且幾年之后就要更換。因此遺留了不少電動車充電器。那(nei)這些(xie)電(dian)(dian)(dian)動車充(chong)(chong)(chong)電(dian)(dian)(dian)器能(neng)否混用?如果有(you)電(dian)(dian)(dian)動車標稱(cheng)電(dian)(dian)(dian)壓為48V的電(dian)(dian)(dian)池組(zu)(zu)所配的充(chong)(chong)(chong)電(dian)(dian)(dian)器，這能(neng)否對標稱(cheng)電(dian)(dian)(dian)壓為60V的電(dian)(dian)(dian)池組(zu)(zu)充(chong)(chong)(chong)電(dian)(dian)(dian)?這是要(yao)分情(qing)況討(tao)論的：

　　1、如果標(biao)稱(cheng)電(dian)壓為60V的鉛酸蓄電(dian)池組完全(quan)放電(dian)、且手(shou)頭一時找不到配套的充(chong)電(dian)器(qi)，只(zhi)有48V的鉛酸蓄電(dian)池充(chong)電(dian)器(qi)，在輸出插(cha)頭和60V電(dian)池組充(chong)電(dian)孔(kong)插(cha)座(zuo)極(ji)性一致(zhi)的條(tiao)件下，是可以(yi)用來(lai)對(dui)60V電(dian)池組充(chong)電(dian)的。

　　因(yin)為60V電(dian)池組(zu)放電(dian)完畢后，電(dian)壓為10.5x5=52.5V，而48V充電(dian)器的(de)最高輸出電(dian)壓為14.4x4V，要比52.5V高。因(yin)此可以少量補充一些電(dian)的(de)。待電(dian)池組(zu)電(dian)壓上升到14.4x4V時，充電(dian)結束。

　　有人說了，這(zhe)還沒有充滿嘛!有什么用?這(zhe)就(jiu)(jiu)(jiu)說錯(cuo)了：對于鉛(qian)酸(suan)蓄(xu)電池(chi)而言(yan)，放光電之后如果不(bu)(bu)(bu)及時充電，正、負極板上的硫(liu)酸(suan)鉛(qian)就(jiu)(jiu)(jiu)開始結晶——這(zhe)就(jiu)(jiu)(jiu)是鉛(qian)酸(suan)蓄(xu)電池(chi)的癌癥(zheng)病灶!稱(cheng)為硫(liu)化(hua)。隨著(zhu)硫(liu)化(hua)的不(bu)(bu)(bu)斷(duan)發展，鉛(qian)酸(suan)蓄(xu)電池(chi)的容量不(bu)(bu)(bu)斷(duan)下降(jiang)，最終死亡——報廢了。能在第一(yi)時間阻擊癌癥(zheng)，為什么不(bu)(bu)(bu)干?

　　2、如果60V電(dian)(dian)(dian)(dian)池(chi)組(zu)的(de)兩端(duan)電(dian)(dian)(dian)(dian)壓(ya)，要(yao)大于等于48V充(chong)電(dian)(dian)(dian)(dian)器最高(gao)輸出電(dian)(dian)(dian)(dian)壓(ya)，用48V充(chong)電(dian)(dian)(dian)(dian)器，是不能(neng)對(dui)60V電(dian)(dian)(dian)(dian)池(chi)組(zu)充(chong)電(dian)(dian)(dian)(dian)的(de)。因(yin)為充(chong)電(dian)(dian)(dian)(dian)是需(xu)要(yao)電(dian)(dian)(dian)(dian)位差的(de)，電(dian)(dian)(dian)(dian)壓(ya)高(gao)的(de)向(xiang)電(dian)(dian)(dian)(dian)壓(ya)低的(de)才能(neng)充(chong)電(dian)(dian)(dian)(dian)的(de)。不過(guo)你(ni)也不用擔心，電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)壓(ya)高(gao)于充(chong)電(dian)(dian)(dian)(dian)器電(dian)(dian)(dian)(dian)壓(ya)時，電(dian)(dian)(dian)(dian)能(neng)會倒灌——充(chong)電(dian)(dian)(dian)(dian)器電(dian)(dian)(dian)(dian)路中，都(dou)設有防反(fan)接和倒充(chong)的(de)二極管(guan)。

　　3、如果你有動手能力的話，可(ke)以拆開48V充電(dian)器，找(zhao)到(dao)調整輸出(chu)電(dian)壓的元件(如384x類(lei)充電(dian)器接光耦的那個431)，調節(jie)431上的分壓電(dian)阻阻值(zhi)，就可(ke)以使充電(dian)器輸出(chu)電(dian)壓上升(sheng)或下降。

　　可以調節它(ta)，使輸出電(dian)壓(ya)(ya)為(wei)(wei)14Vx5左右，即可應(ying)急使用。不過需(xu)要注意(yi)，充(chong)電(dian)器次(ci)(ci)級濾(lv)波電(dian)容的耐(nai)(nai)壓(ya)(ya)值(48V充(chong)電(dian)器次(ci)(ci)級濾(lv)波電(dian)容的耐(nai)(nai)壓(ya)(ya)值多為(wei)(wei)63V)是否能(neng)承受了(le)。最(zui)好(hao)更換為(wei)(wei)耐(nai)(nai)壓(ya)(ya)100V的。

　　另外還得(de)注意場效應管的散熱問題和最(zui)大(da)功耗問題(48V充(chong)電器(qi)多用(yong)8N60及以下的，60V充(chong)電器(qi)多用(yong)12N60及以上的)。