I've got the same battery, bought ~2 years ago. Seems to work fine with my Switch and an Anker-brand USB A-to-C cable. My 40W Anker PowerPort wall-charger also

I've got the same battery, bought ~2 years ago. Seems to work fine with my Switch and an Anker-brand USB A-to-C cable. My 40W Anker PowerPort wall-charger also works. Now I'm a bit worried about trying anything else, though. o_O