Canon - CA A10 Power adapterhttps://www.photocineshop.com/en/products/CANON-CA-A10-Power-adapter-48ZKQJ?cat=286
The Canon CA-A10 Compact Power Adapter for EOS C300 Mark II Camcorder converts AC power to DC power allowing you to power your Canon EOS C300 Mark II camera. The adapter incorporates an output protection circuit and a 1A, 250V fuse for input voltage protection.
The adapter's camera power cable is not detachable and features a custom 4-pin LEMO connector. The AC power cord is detachable and feature a polarized two prong plug.