This is my first experience with soldering. These are pictures of the soldering of the plug for the arduino battery pack.
I followed this video and also got help from PhD. Koch on how to safely use the solder gun.
Image 1: Soldering Gun
Image 2: Solder wire
Image 3: Prepping the wire and wiring plug for soldering
Image 4: Soldered!
Image 5: Plug is ready for battery pack