A nice touch with this unbranded model is the indicator light.
Copper Tube Battery Cable Copper Lugs End Eyelets Crimp Electric Connector Ring
Finish: Tin Plated. Product Material: Copper.
Insulated Straight Butt Connectors Electrical Crimp On Terminals Wire Cable
You can easily choose the right connector by looking at the colour. The butt splice connector belongs in the toolbox of every electrician and hobbyist from DIY enthusiasts to the seasoned professional.
Samtec BBS-120-G-C 20-Pin 2.54mm Single Row Male Header Gold 0.100″ Lot of 19
They are new, gold-plated 20-pin precision headers ideal for board-to-board interconnects, prototyping, signal headers, and high-reliability applications. Manufacturer: Samtec. Type: Pin Header / Board-to-Board Connector.