Canon ACK-E6 AC Adapter Kit.
“A must have for studio shooting and when power ports are available!”
I never have to use batteries for studio shoots or any venue where i can have access to a power socket.
This Canon adaptor plugs into the battery port and works like gold!
https://www.canon.com.au/en-au/For-You/Accessories/DSLR-Camera-Accessories/Power-Sources-Charges/ACKE6