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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(wei)著(zhu)我用萬能座(zuo)充沖1200MA的(de)電池只(zhi)要2小時 而充電電流(liu)200MA的(de)要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(kai)始時(shi)可能(neng)會(hui)提供600mA的(de)電(dian)(dian)(dian)(dian)流輸(shu)出,但是隨著充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)量(liang)的(de)增加,電(dian)(dian)(dian)(dian)池的(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)接受能(neng)力下降,充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流也會(hui)隨之下降,考慮到充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)控制(zhi)策略的(de)不同(tong),(比如恒流脈沖(chong)(chong)轉恒壓脈沖(chong)(chong)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)等)所(suo)以充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間會(hui)遠遠大于2小時(shi),估計(ji)使用提問者所(suo)說的(de)座充(chong)(chong)(chong)2.5~3.5小時(shi)可以充(chong)(chong)(chong)滿

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