12v battery

  1. S

    Need assistance with Relay options

    Hello, I am brand new to this forum and hope to further my limited education in DC electronics. I am attempting to put together a simple "auto" switch to move from a primary DC power source to a backup DC power source if the primary power fails. Here are my components: Primary Power - 12V...
  2. L

    Finding correct USB-C charging module for 12.8v 3ah Battery

    Hello, I am very new to this forum and hope someone of you could help me with my project. Just to make clear from the beginning, I am a programmer and don't know very much about circuits and electronics. My project idea is to make a portable digital frame, with a battery that can be charged...
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