I am not sure if this has been linked here or not.
https://www.empshield.com/?matchtype=e&network=g&device=m&adposition&keyword=emp shield&utm_term=emp shield&utm_campaign=Search | Branded&utm_source=adwords&utm_medium=ppc&hsa_acc=5309225077&hsa_cam=1903118787&hsa_grp=72199349922&hsa_ad=349057396066&hsa_src=g&hsa_tgt=kwd-298537951398&hsa_kw=emp shield&hsa_mt=e&hsa_net=adwords&hsa_ver=3&gclid=Cj0KCQjwtsv7BRCmARIsANu-CQf9WCQBbabxwIs9u9ku7Ocb32zz35eQ8r4sOOQDdRfis7SdU-WqbssaAuNpEALw_wcB
I have one installed on my wife's suburban. Being stranded due to an EMP is a big concern on my list bad shit that "could" happen.
They have units for houses, cars, generators and other things.
I am not connected or affiliated but do have a couple coupon codes if anybody is looking.
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How does the vehicle one work? The website just talks about protection in the electrical system and from the grid. A solar flare would effect the grid, but nuke blast and EMP signal will also bypass the grid and fry things directly.
The residential model on the website appears to just by your standard, whole house surge protector.
Is it effective against a power surge at home?
It appears to me that's all it is. You can buy a whole house surge protector for around $100 - $200. Seems they just added the letters EMP and doulbed the price.