• why jumpstarter and not a cable boost

    I tried jump starting my aunts car and failed. What did start the care was my cousins nektech jumpstart device. Why one and not the other? I'm on vacation so test equipment is in short supply. The dead car wouldn't even provide dash lights when connected…
  • Wireless Power System

    Wireless Power System Patent#11,420,524 Was doing some late night browsing threw the U.S Patent Office Database and came across this, Im extremely curious as to yalls thoughts on it.. -Shakes17
  • Question about powering Raspberry Pi and LCD controller board with LiPo battery

    Hi. I am making a portable Raspberry Pi 3 model b+ laptop. I have a Raspberry Pi and an lcd driver board. The model for the board is: m.nt68676.2a It uses a 12V 3A power adaptor. I use a cana kit 5V 3.5A power adaptor. I want to use a rechargeable battery…
  • What's the best way to make a dual voltage 18650 battery pack

    Hello People, I'm working on a project that needs 12 and 24 volts from a modular battery pack. and i'm hoping that its possible to make a battery pack that will do just that. what i was thinking of using is 24 x LGDBMJ1 li ion 3.7 v, 3.5 A cells individually…
  • going from LiPo battery to wall power?

    I'm trying to run a tablet I have that runs on a 3.7v battery off of the wall directly without a battery. Reason is my sister broke the charging cable, and thus I decided to convert it to an android TV of some sort. I got a buck converter and I set it…