Sony A7rv battery mains plug

[antferg88]

Is there a way you can power your camera from a mains socket instead of a single battery?

I do this for my canon, but wondered if there was an official Sony one? 

[Marino.Manolo]

Of Official say only the AC-UD20:

https://support.d-imaging.sony.co.jp/www/cscs/accessories/compatibility.php?area=gb&lang=en&cs_ref=s...

[danardeng]

You can use the USB-C socket