Amazon.com: Molex (2 Circuits) Black Power Connector 2 Pin w/18-22 AWG 2.36mm Dia, Standard .093" with Glow Wire Capable (Pack of 3 Match Set) : Electronics
Molex 2-15 Pin Power Connector Kit 0.093" Gauge: 14-22 GA (134pcs (MLX) 20A): Amazon.com: Industrial & Scientific
Molex PicoBlade 2-pin Cable - 200mm : ID 3922 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
100 Pcs Molex 5.08 Mm 2 Pin 3 Pin Male Plug Housing Female Receptacle Housing Ide Power Connector Shell 0.20 In Computer Power - Connectors - AliExpress