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gai jin lian jia chong dian shi dian dong ti xu dao
Author(s): 
Pages: 28
Year: Issue:  5
Journal: Family Electronics

Keyword:  充电电池 充电插头 充电电路 充电指示灯 万用表 原电池 内部电路 端电压 元件 热熔胶;
Abstract: <正> 最近,笔者购得一只充电式电动剃须刀,其充电指示灯、充电插头、电池盒内电池等元件均齐全,而价格却极为低廉。遂对其进行剖析,首先取出充电电池,用万用表测量两端的电压,为1.5V 左右,显然是一只假冒充电电池(充电电池两端电压约1.2V),再打开外壳,观察内部电路,发现仅有市电指示灯而已。考虑到该剃须刀尚有利用
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