When docking, the Switch specifically wants 15V/2.6A [1]. Any less and it won't ...

When docking, the Switch specifically wants 15V/2.6A [1]. Any less and it won't dock. There are some third-party vendors which have somehow circumvented this requirement, though [2].

[1] https://switchchargers.com/how-nintendo-switch-charging-work... -- scroll down to "Nintendo Switch Dock"

[2] e.g. https://skullnco.com/collections/nintendo-switch/products/ju... and https://www.gulikit.com/productinfo/506086.html