Battery Backup option for Ring Spotlight Cam Pro Wired

Hi All, Finally the spotlight cam pro wired is available in my country. What I don’t understand in any way is if there is an option to also plug a battery as a backup power alternative to the wires. Apparently not, but I found some other info online. In the case it’s not possible, I don’t understand why this should be a better option than buying the battery version with the additional wired kit. Isn’t a security system supposed to be always on even in case of lack of hardwired power?! Also, an additional question: what happens if someone crashes the battery down like kicking it from the top without even showing in front of it? Will this trigger a notification/siren or not? Thanks!