sonic_the_hedgeh
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- Joined
- Feb 25, 2018
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In ending my boss at the time said these agm batteries are good to minus 70 celcius which is an exaggeration. My battery in my yukon for 8 hours outside in the cold not plugged in, at minus 52 with the wind chill and it struggled a bit to start. Might be good to minus 50 I would say overnight with a battery blanket but when I got home after work i plugged it in. My garage wasn't heated so it was very cold. But the agm protected with the battery blanket and new ground cable will last longer.
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