I bought a Nyko Nintendo Switch Pro Controller charger and a PlayStation DualShock 4 charger and combined both products in one test; They are the same, just with different charging ports for different controllers. In case you're wondering, they're plastic and feel light (they feel cheap), but they also get the job done. One thing I worried about was that these chargers would overcharge my controllers, but that doesn't happen. Once your controller is fully charged, the charger will stop supplying power to your controller so that the battery will not be drained for a long time. I don't know if the technology has gotten any better, but all the controller chargers I've bought in the last few years work like this. That's how I know it; When the DualShock 4 is charging it gives its glowing indicator light an orange/amber tint, this tint stopped on the charger but (for the PS4 charging box) the indicator light was still on meaning power was flowing through the charger but not by DualShock 4 - Bravo. This is important because you cannot replace the internal batteries in a Nintendo Switch Pro or DualShock 4 controller. If you end the charge cycle in these game controllers (i.e. end the battery so it barely holds a charge), you're SOL - just buy a brand new controller and charger if you don't want to open up your controllers and buy a secondary controller Market. batteries. The reason I'm taking off the star is because it feels cheap, giant chunky chunks of plastic. Plastic doesn't have to be cheap; They could be smaller and stronger and feel more structured. It doesn't matter since you won't be collecting them on a regular basis. They look modern and sleek and have large rubber feet on the bottom to keep them from sliding around. Generally they do their job. Note. The Nintendo Pro Controller Charging Box features a USB-C charging adapter that plugs into your controller and is HUGE. I personally don't mind, but I guarantee those who play with you on your Switch will notice. It doesn't add significant weight or inconvenience, but there is something to consider.