At only 60mA per the data sheet you could use thinner cable, but it appears all the in-stock 5.5mm x 2.1mm Male to Female 10ft Extension Cords are 18AWG.
Here’s a search result with the five options, any of them should work.
At only 60mA per the data sheet you could use thinner cable, but it appears all the in-stock 5.5mm x 2.1mm Male to Female 10ft Extension Cords are 18AWG.
Here’s a search result with the five options, any of them should work.