For $7( if you're a Prime member), this one will set you up using the stock Mavic 2 charger and the Crystalsky base:
Amazon.com : Penivo Mavic 2 Battery Charger Conversion Cable CrystalSky Charging Adapter Cable Compatible for DJI Mavic 2 Pro/Zoom Charger Accessories : Gateway
Amazon.com : Penivo Mavic 2 Battery Charger Conversion Cable CrystalSky Charging Adapter Cable Compatible for DJI Mavic 2 Pro/Zoom Charger Accessories : Gatewaywww.amazon.com