I'm doing something similar but with slightly different RAVPower products.

https://www.amazon.com/gp/product/B082PGS78L/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B07TC53ZYD/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1

This combo weighs about 200 grams less (I onebag travel a lot and try to keep things light). Still (allegedly) provides 9v/3a. More critically, after coupons I was able to buy it for $58 which is less than half as much for 2/3rds the capacity. Great deal. They come in on Friday, excited to try them out.

This looks perfect! Dam, I just ordered this one: https://www.amazon.com/gp/product/B07TC53ZYD/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Wish I knew about the cnx one :(

Believe it or not, I have five of them (work, home, travel, plus I bought one on a trip after forgetting it, etc.). By far my favorite is this one because it's microscopically small, very cheap, and 100% reliable. For those of you 15-inch Spectre types, you may want more watts than this, but it's more than enough to run a 13-inch.

That will work. Personally I would go for this one instead : https://www.amazon.com/dp/B07TC53ZYD/ref=cm_sw_r_wa_apa_i_aKwAEbRZ0HHGZ

RAVPower is a pretty reputable brand on Amazon and it's a smaller form factor. Also $5 off coupon.

Dell USB-C Mobile Adapter - DA300

Thanks! That version looks good. WHen I clicked through I was suggested this one by Amazon too, which seems even smaller https://www.amazon.com/RAVPower-Charging-Delivery-Foldable-Compatible/dp/B07TC53ZYD/ref=psdc_2407761011_t2_B07PP1W7S8?th=1

Just wanted to update. I ended up buying this RAVPOWER USB-C charger and it works like a charm on it's own and with my USB-C dock. I'm actually pretty impressed with it, as the size is only a little larger than a cell charger, so I'd recommend it to anyone looking for a compatible usb-c charger for the galp3c.