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My wife and I are going to be traveling January through March, the coldest months here in Upstate NY.
I want to leave the Corvette and my wife's Audi with CTEK chargers on them. I'm wondering if that's safe. While we're going to have a friend check on the house now and then the cars will be unattended.
I have used the CTEK charger on my C5 before, but I was always home to keep an eye on things, such as if our power was briefly interrupted.
The other option is to pull the batteries and put them in my basement, but I would rather not go that route.
Thoughts?
I leave several of mine on CTEK chargers almost year 'round. Never had one burn up or fail in any kind of spooky way, they seem quite reliable.
Even if they were in the basement you'd want to maintain their charge because they will discharge some over time, and it's not good to run them dead. But they'd last 3-4 months I imagine.
I use the normal setting year-round. I have three cars on them for months at a time over the cold months. On mine, if power is interrupted, they resume in the same mode I selected when I put them on the car - apparently, the battery power maintains the selected setting if house current is not available.