Why would you buy Samsung brand? There's nothing special about them.
Get a couple quick charge 2.0 or 3.0 chargers and some USB C cables. There's even generic wireless charging pads.
Everything you need: https://www.amazon.com/dp/B076D4KQD1/ref=cm_sw_r_cp_apa_K8H2Ab5Y09WDC
https://www.amazon.com/dp/B018RR30TK/ref=cm_sw_r_cp_apa_W-H2AbPFB8Z5J