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自己用36v的普通电动车充电器diy成48v充电器,昨天想给家里的ups电池(48v/200ah)浮充,不小心把极性接反了,电夹子烧了一部分,充电器自然坏了,请问大家充电器哪些地方可能完了?电路是3842+324.500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/33/1126751810.gif');}" onmousewheel="return imgzoom(this);">
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