標示額定容量&最大放電量？:－2016徵求年菜推薦網路訂購最紅的商家.年菜訂購?台北年菜外送餐廳推薦(年菜)?年菜.今年不想做年菜推薦,網路宅配哪一家好?

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Yahoo!奇摩知識+ - 分類問答 - 手機通訊 - 已解決

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標示額定容量&最大放電量？

Oct 27th 2013, 09:36

行動電源大多數都是使用與手機相同的鋰電池

鋰電池的電壓大多數是3.7V(V=伏特)
那行動電源要輸出電流到手機電池上
必須有電壓差也就是必須高於手機電池的3.7V
所以會先升壓到5V 造成一部份的損失
以12000mAh額定電池容量來說
升級後就是 ... 12000*3.7/5=8880mAh
然後再輸出到手機的過程中會有能量損失
轉換率如果在90%以上是最好
8880mAh*90%=7992mAh
如果在80%也可接受
8880mAh*80%=7104mAh

有問題歡迎繼續發問
也歡迎到FB搜尋粉絲專頁：魚仔玩手機
可私訊該專頁詢問問題哦 :))

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