Two Ancient Roman Techs Could Disrupt Modern Industry

There's even evidence of batteries in the archaic world:

https://riversfromeden.wordpress.com/2011/08/18/electricity-...

I understand some archaeologists, unwilling to accept the existence of such items, refer to them as OTTOs, or Out Of Time Objects. Personally, I wonder if the grandiose book burnings by the early Christian church might have also focused on things such as this, limiting their survival into the modern era.