eBay

bidirectional alligator clip to USB test leads can quickly convert any DC power source into a USB power source, and the USB power source can be quickly connected to any 5V device through the alligator clip.
This two test leads are well designed with USB port; one with female USB port, the other with male USB.
The alligator clip is completely insulated and you can easily insert the probe tip. The probe tips are hardened to ensure resistance to blunting through constant use. Please do not touch metal part of crocodile mouth with connected to power supply.
Alligator clip connect and disconnect quickly and easily. Plug and play，Nickel-plated alligator clips have stronger conductivity, red and black (V+ and V-).
Total length: 19.7in/50cm, red and black wire gauge: 2*18AWG. The maximum voltage and current can pass 5V, 0-5A.

Product name: USB red and black clip cable.
Material: Copper wire,PVC.
Color: red ,black.
Maximum input voltage: 5V .
Maximum input current: 5A.
Connector type: A: USB male plug and USB female plug B: Positive and negative crocodile leather test clip.
Size: Length of connection cable: 50cm/19.7inch.
Package Contents：1 USB male clip cable+1 USB female clip cable Testing Usage:bidirectional alligator clip to USB test leads can quickly convert any DC power source into a USB power source, and the USB power source can be quickly connected to any 5V device through the alligator clip.