[問題] 快充的必要性?
根據狼大的文章 #1M-f9obm
[心得] 小米雙向快充行動電源10000mAh高配版開箱
https://www.ptt.cc/bbs/MobileComm/M.1459262066.A.970.html
額定電容量部分,5V/1A 測試值 7400mAh 也遠遠滿足其標示的 7100mAh
http://farm2.static.flickr.com/1486/25777358860_7aca83c1a1_o.jpg
5V/xA......7300~7400mAh
9V/xA......4000~4100mAh(7350 *5 / 9 = 4083)
12V/xA......2980~3030mAh(7350 *5 / 12 = 3063)
根據小米官網測試,
快充 → 行動電源......3.5 小時
5V2A → 行動電源......6 小時
提升40%
快充 → 小米Note......1.83 小時
5V2A → 小米Note......2.5 小時
提升25%
由以上得知,
5VxA 應該是最經濟的充電電壓吧?
因為一提升到 9V, 額定電容量會打 5.6 折(5 / 9 = 0.56), 剩 4050mAh 可輸出.
如果是提升到 12V, 額定電容量會打 4.2 折(5 / 12 = 0.42), 剩 3000mAh 可輸出.
到底快充有沒有其必要性?
時間就是金錢? 還是廠商在騙錢?
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快充 → 小米Note......1.83 小時
5V2A → 小米Note......2.5 小時
提升25%
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你確定:快充 vs. 5V2A 會差到 60% vs. 20% ?
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※ 編輯: smtp (36.232.161.108), 10/02/2016 10:55:31
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