[問題] 充電器久了會衰退嗎?
最近充小米行動電源時,發現之前淘回來的群光2A。
輸出都只有1.4~1.6A,可是印象中剛買回來時候可以接近2A的速度。
然後今天拿到一顆大豬頭,小米行動電源充下去馬上2.2A....
可以合理懷疑是這顆群光2A有問題了…(同一條線與同一個檢測器)
請問充電頭用久了是否會衰退呢?
一般手機附的或是一些評價好的充電器,合理的使用期大概多久呢?
感謝。
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※ 編輯: rmn0920 (42.72.15.146), 04/18/2016 15:59:51
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