[測試] [不專業]8條USB cable 叉電測試

本帖最後由 rootkit 於 2014-9-21 19:20 編輯

//For lazy users, results first:
[19:08 2nd edited]
簡單總結:
1. Sony 機用Sony 原廠線/座係最好既;
2. Sony 機用Samsung線表現一般;
3. Sony 機用Xpower 號稱24AWG, MAX 2.4A既差電線, 表現貼近原廠Sony線.

另外:
I:電池叉到74%, 叉電速度如預期中會明顯下跌, 之前我2X%時原廠線差電電流係上到1.4A, 有機會會再係2X%時測試.
II:唔同牌子手機用第二隻手機牌子既線應該會有影嚮, 呢個簡測未必能反映Samsung機用Samsung線叉, 或Nokia機用Nokia線叉, 或其它機同Sony線叉既表現.
III:錄取數據時開左data, bluetooth, 長開mon, 加上係用software度. 數據未能完全反映真實的充電電流, 預期所測得數值應較真實電流為少, 因為software所錄得之電流已扣除正耗用之電量.
[19:08 2nd edited end]



//Details:
Power source: Yoobao 4-Ports AC Adaptor
Factory Max output: 5V 6.2A
Single port output: 5V 2.1A
Testing device: Sony Xperia Z1
Device battery level: 74% (too lazy to sit and wait till 40%)
Battery temperature: 41.1'C ~ 41.3'C
Testing software: Battery Monitor V3.1.7.1

//Procedure:
1. Plug USB cable in
2. Wait for 10s to obtain the 1st value
3. 2s period from 2nd to 10th
4. Next cable


//USB Cables:
1. Sony original: Stock cable came with Sony Xperia Z1.
2. Nokia SSP: Cable purchased from SSP for $40 each, with Nokia marking.
3. Old Nokia original: came with an old Nokia phone, at least 4 years ago.
4. Samsung original: Not sure if it was coming with Note 1 or Note 2, but it should be a Samsung stock usb cable.
5. Kindle PaperWhite: Stock cable came with Kindle PaperWhite.
6. TP-Link 28AWG: USB power cable come with a TP-Link portable router, with "28AWG" printed on the cable itself.
7. Sony Docking original: Docking for Sony Xperia devices which are capable for magnetic charging
8. Xpower 0.5m: Xpower USB cable purchased from somewhere, 0.5m long.

專業得滯未必個個睇得明, 可唔可以寫清楚小小個結論?
同埋我諗啲人會有興趣知求其響街十元八塊一條五顏六色嘅線會係點

(已俾 like)

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回覆 2# CMZ

Added, 雞線maybe next time

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有冇計過部Z1充電有幾多%efficiency?

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唔係好睇得明上表中既電流值mA, 每個數值之間只有兩秒但差距有百幾mA?

對於充電用既USB線我有以下看法:
要充得快,又慳電,一定係用低阻值既線。
純銅,粗線,越短越好。

不知名既線用咩銅材,實際有幾粗唔劏開線皮真係無人知道,一切都只能靠估或相信線上標示的AWG,數值越低代表越粗。
如無參考都可從USB頭既手工上可略知一二,或者試插一下都知係咪靚野。
而線長,短得一吋阻值就係好低一d.

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唔係好睇得明上表中既電流值mA, 每個數值之間只有兩秒但差距有百幾mA?

對於充電用既USB線我有以下看法:
...
charles2047 發表於 2014-9-21 20:25



    SONY 果條好幼的, 但食足2A.... 條線入面有IC 唔是普通線

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SONY 果條好幼的, 但食足2A.... 條線入面有IC 唔是普通線
EVIS 發表於 2014-9-21 20:29


線幼是指整體?還是線芯?
前者可能是絕緣功能或由於線材良好不必做厚線皮隔熱,
後者過幼去食足2A可會有危險。

我唔清楚這粒IC功能,可能類似Apple的Lightning Cable中的?
不過IC唔會發電,最終都係經由線本身傳電,足唔足2A相信與呢粒IC無關。(電壓夠,被充電的裝置判定沒問題,任何線都可食足2A)

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本帖最後由 TH30 於 2014-9-22 21:44 編輯
Added, 雞線maybe next time
rootkit 發表於 2014-9-21 07:21 PM


試雞線意義不太,純為過下手癮
莫講話雞線依一水同下一水唔同,同一批線QC唔緊參差都可以好大

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之前見過有另一個report搵左電腦商場 HK$20 扁平線 (1米)做Test, 損耗左30%電

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本帖最後由 sigma 於 2014-9-24 10:50 編輯

it is worthwhile to test docomo and LG 20 AWG cable
i think they are probably the best usb cable for charging especially comparing them to other >1m usb cables.

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