These $17 65W ones from Amazon work fine https://www.amazon.com/gp/product/B09SQ5Q5HC To reach over 60 watts you will need an E-Mark cable. But even at 45W they are plenty fast. To do the full 128W it will require a 140W charger with an E-Mark cable. You are looking at $80 or so for that combo. For that price you could get a 30,000mAh 65W Baseus power bank which would be much handier and useful for other stuff.
These are $16 now with 3 ports. https://www.amazon.com/gp/product/B09SQ5Q5HC I like ordering from Pine64 because I can toss on the silicone usb-c cables, clear cases, and contacts on an order with no increase in shipping.
Only USB-C or barrel jack. Not both at once. As for normal. Reccomended is a USb-PD 3.0 of at least 20V 3A. So nothing super cheap. With 65W charges like this https://www.amazon.com/dp/B09SQ5Q5HC for $16 there is no reason to go much cheaper if you need to buy one.
It needs power. A cheap 65W $17 one like this https://www.amazon.com/gp/product/B09SQ5Q5HC works great. The official specs from Pine64 Wiki https://wiki.pine64.org/wiki/Pinecil#Pinecil_V2 say:
"USB type C: PD 12V-20V 3A and QC 3.0 12V-20V 3A (magnetic tip USB-C cables are not recommended, and not USB compliant)"
A USB A port using QC 3.0 is really slow and funky on Pinecil. A USB C charger of at least 45W I find to be pretty quick, and works well. But a 65W charger is only $17.
Well, a really basic one may not work. But no need to get an expensive one. This $17 65W one will heat up even a V1 Pinecil in 12 seconds or so https://www.amazon.com/gp/product/B09SQ5Q5HC