Please refer to the video for instructions:

Parts List:

1 x Aluminum Housed Resistors(50w 8 ohm) https://s.click.aliexpress.com/e/_DB7mtQ5
1 x Terminal Strip Screw (20A or 30A) https://s.click.aliexpress.com/e/_DEuZ94t
1 x Banana Plug to Alligator Clip Connector(1m) https://s.click.aliexpress.com/e/_De3Ji3T
7 x Banana Socket https://s.click.aliexpress.com/e/_DFfZ1tT
5 x Fuse Holders (5x20mm) https://s.click.aliexpress.com/e/_DnpL0kN
5 x Fuse Sets (5x20mm) https://s.click.aliexpress.com/e/_DBLHwvR
1 x QC 3.0 USB Charger Socket https://s.click.aliexpress.com/e/_DC6pBtL
1 x DC Buck Boost Converter https://s.click.aliexpress.com/e/_DFv5Cmp
1 x 2 Positions Connector Terminal(Small Type) https://s.click.aliexpress.com/e/_DCix2lr
  --------------------------------------------------------
Silicone Wire : https://s.click.aliexpress.com/e/_DcvkL65
  --------------------------------------------------------
1 x Switch(21mmx15mm) https://s.click.aliexpress.com/e/_DFT6LVx
1 x DC Power Supply Jack Socket Female https://s.click.aliexpress.com/e/_DFpIv2N
  --------------------------------------------------------
Tubular Terminal https://s.click.aliexpress.com/e/_Dl4mZp7
Box Insulated Wire Connector https://s.click.aliexpress.com/e/_DldST6V
Crimping Pliers https://s.click.aliexpress.com/e/_DEvtIvf
Heat Shrink Tubing https://s.click.aliexpress.com/e/_DBmQ9nJ
Tesa Type Coroplast https://s.click.aliexpress.com/e/_De2kuZf

In the meantime:
Happy making!
Please post your makes/builds.