There is a storm coming…

Today it appears that the midwest is in for a rough ride. Severe weather (and perhaps a tornado or two) is predicted for almost 11 states (Michigan being one of them). As I write this a tornado warning has already been issued for IL.

Why am I mentioning all this? Simply because I just went and did something I thought I’d never do: as a precaution I unplugged the car just like you would your computers, TV, cellphones, etc. in preparation for a storm predicted to have a ton of lightning. Granted the EVSE does provide some surge protection (one of the reasons its there) but to be 100% safe I just unplugged the car (it is fully charged so doesn’t need to be plugged in anyway).

If lightning were to strike the car I would gather that it would behave just like an ICE car would: the charge would dissipate around the outside of the car (a car is a nice faraday cage). The FFE has some pretty big relays between the battery and the rest of the systems. When in an off and unplugged state these relays are open completely disconnecting the battery. Thus it is unlikely a lightning strike would do any battery damage.

Stay safe out there…

 

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