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  1. General Electrical Discussion
    Hello, everyone! Totally new here. Well, I'm going to buy a pair of 12 volt "eagle eye" LED for a medicine experiment, and I planned to connect them to either a rectangular 9 volt battery or 3 cylindrical 3.7 volt batteries. But now, these LEDs are meant to be connected to a 12 volt car...
  2. General Electrical Discussion
    I need to switch from charge and discharge when the cell voltage reaches 2.7V, but the current is constant each of them last 30s or so. The current is 30A so the manual is hard. Can any one give me some advice to switch automatically or safer??
  3. General Electrical Discussion
    Our tech department just had an overhaul. I'm trying to liquidate extras. can anyone here tell me about either of these transformers(there application and possible value). Also is there a method to testing this equipment? Any help is greatly appreciated. The first picture is the marking on the...
1-3 of 4 Results