DC 6V 1A Power Supply with 5.5MM x 2.1MM Plug, Includes 3 Foot Extension Cable

[Music] I've got here some crocodiles DC connectors cables and a soldering iron first you take off tips take your iron and then pin those wires on the ends eat it up and lay something on the heat of the wire take up some solace and let it flow on it so it's nice and shiny take this wife figure out which is the negative and the positive and I have a set up here in my battery and my power supply I fell fold out and my positive connected to the positive I'm sure of that I can measure that say I'm sticking in the negative inside of the DC connectors and measuring on the positive and I don't as a voltage it's negative on the meter so the negative is for sure on the outside because now I'm going to measure in the positive this was just to tell you that the negative is the outside and the positive the inside is small pin with the inside so that's going to be the positive and let's start with t