標示額定容量&最大放電量？:－2016 台北日本料理推薦 , 台北日本料理吃到飽 , 台北日本料理名店 , 台北日本料理吃到飽推薦 , 台北日本料理推薦2014

Blogtrottr

Yahoo!奇摩知識+ - 分類問答 - 手機通訊 - 已解決

Free Bestselling eBooks

It's easy: sign up in under 10 seconds, tell us what kind of eBooks you love & we'll email you a list of deals every day - FREE! Join now!

From our sponsors

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 :))

This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends:

Massacres That Matter - Part 1 - 'Responsibility To Protect' In Egypt, Libya And Syria
Massacres That Matter - Part 2 - The Media Response On Egypt, Libya And Syria
National demonstration: No attack on Syria - Saturday 31 August, 12 noon, Temple Place, London, UK

You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions