Quote:
Originally Posted by Martinjlm
Two thoughts on this... - Batteries tend to have their own thermal management systems.
- In the picture, right around the blue card that says "02"...you can see the engine's exhaust routed right alongside the battery.
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In the absence of shore power, in my freezing airport parking lot scenario, is battery heat generated heat from an already low condition (hypothetically lets say it was 55% charge when I parked, and now it's maybe 35% charge because it's so cold when I arrived back) effective at raising my available charge level?
In other words, what's the approximate net gain? Can I get back over 50% total charge? I know there are a lot of variables, battery size, temperatures, etc. Just a general idea on the thermal energy effectiveness of getting some juice back to make it home without help.
Or are self contained heaters only effective at "conditioning" the battery, warming it up, so it can take a charge from shore power better?