Heating lipos

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Peter Wibe Enevoldsen

Well-Known Member
Joined
Dec 20, 2022
Messages
70
I know some people will think thats its unsafe. The problem is where i am in sweden its about degrees 10c out most days my lipos arent liking it.
Im looking for tips:
safe temps
Heating metods
If its a bad idear

Im just trying to learn and have some fun boating even as it gets colder
 
Hello Peter,
35-40C is a good target. Try to stay below 45degC max. I use home heating pads like this when I have AC power: https://www.sunbeam.com/pain-relief...ing-pad-with-compact-storage/SAP_2139885.html
Surely you can find a local version for your AC supply.

If you need a DC supply version they have food delivery bags like this: https://www.amazon.com/dp/B0CKF9HQ6...industrial&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWw

Just make sure the heated bag does not get too hot.

A great way to track battery temp is to apply color changing labels like these: https://www.mcmaster.com/59485K23/
 
We had to warm up 42 6S packs in our hydro when the temperature was around 50 degrees F early in the morning. We used hair dryers. For model boating I have a cooler/heater to store the batteries. In the past I could plug it into the car to heat the batteries on the way to the race.

Lohring MillerP1010126.JPG
 
Mark Scott from Cinci club gave me a class on warming up lipos prior to racing. I’ll be getting me a heating pad for next year.
 
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