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(fou)意(yi)味(wei)著我用萬能座充沖(chong)1200MA的電(dian)池只要(yao)2小時 而充電(dian)電(dian)流200MA的要(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,開始時(shi)可(ke)(ke)能會提(ti)(ti)供600mA的(de)(de)電(dian)(dian)(dian)流(liu)輸出,但是隨著充(chong)(chong)電(dian)(dian)(dian)量的(de)(de)增加(jia),電(dian)(dian)(dian)池的(de)(de)充(chong)(chong)電(dian)(dian)(dian)接(jie)受能力(li)下(xia)降,充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)也(ye)會隨之下(xia)降,考(kao)慮到充(chong)(chong)電(dian)(dian)(dian)控制策略的(de)(de)不同,(比如恒(heng)流(liu)脈沖(chong)轉(zhuan)恒(heng)壓脈沖(chong)充(chong)(chong)電(dian)(dian)(dian)等)所(suo)以充(chong)(chong)電(dian)(dian)(dian)時(shi)間會遠遠大于2小(xiao)時(shi),估計使用提(ti)(ti)問者所(suo)說的(de)(de)座充(chong)(chong)2.5~3.5小(xiao)時(shi)可(ke)(ke)以充(chong)(chong)滿