疑似買到容量不實的18650電池 - 電池
By Iris
at 2014-01-11T15:07
at 2014-01-11T15:07
Table of Contents
情況是這樣的,最近要買2顆18650來取代4顆鎳鎘,裝在吸塵器上(馬達電壓為5V~9V,
電流最大2.9A),不過裝上後發現吸塵器無法啟動,
(但是換上三星2200mAh的鋰電後就能順利啟動)
,所以直覺地認為收到的電池可能有些狀況,也有可能是使用錯誤,
故先略過最大放電電流,改測容量。
我買的電池型號是"國際牌 NCR18650A 3100mAh 帶保護板",用iMax B6AC這台充電器
充放鋰電池,測出來的電量大約是21xx~20XX mAh,如下圖:
http://i.imgur.com/3dtuwbA.jpg (放電最低至2.7v)
,看來明顯地和賣家宣稱的不同,那這樣表示我買到的電池有問題嗎?
個人是懷疑買到2200mAh換皮成3100mAh的電池,但無法100%肯定。
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Tags:
電池
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