手機充電器充電時間問題回答
輸入電流:110V-220V 50/60HZ 0.1A
座充充電電壓:4.2V-5.0V
座充充電電流:600MA
USB輸出電壓電流:5.0V-5.2V 800MA
是否意味著我用萬(wan)能座充沖1200MA的(de)(de)電池只要(yao)(yao)2小時 而充電電流200MA的(de)(de)要(yao)(yao)6小時?
理論上電池的安時數是充電電流與充電時間的乘積,所以提問者的理解是正確的,但實際上充電時間遠遠大于理論值,這里主要考慮到充電效率的問題,充電效率與充電器的質量和電池的實際充電接受率有關,基本上使用提問者所說的充電器,開始(shi)時(shi)可能(neng)會提供600mA的(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)輸(shu)出,但是隨著(zhu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)量的(de)(de)增加,電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)接(jie)受(shou)能(neng)力下降(jiang),充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)也會隨之下降(jiang),考(kao)慮到充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)控制策略的(de)(de)不同,(比(bi)如(ru)恒流(liu)脈(mo)沖轉恒壓脈(mo)沖充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)等)所(suo)以(yi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)時(shi)間(jian)會遠(yuan)遠(yuan)大于(yu)2小時(shi),估(gu)計使用提問者所(suo)說(shuo)的(de)(de)座充(chong)(chong)2.5~3.5小時(shi)可以(yi)充(chong)(chong)滿