JaI Haze Posted June 1, 2016 Author Report Share Posted June 1, 2016 If I lower the cut off to say 2.9 how much of an effect long term will it have on the batteries? I know thats really low and at the point of damaging the cells but what kind of numbers are we looking at. Will it totally destroy them? Link to comment Share on other sites More sharing options...
VapingBad Posted June 1, 2016 Report Share Posted June 1, 2016 It is the under load cut off so you batteries will not stay that low, it should be fine with most 18650s but probably too low for LiPos. It will shorten the life of your batteries a little, but IIRC less that the difference between charging to 4.1 V vs 4.2 V which can double their life. Have a read of this for fuller info http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries Link to comment Share on other sites More sharing options...
JaI Haze Posted June 1, 2016 Author Report Share Posted June 1, 2016 so it will hurt the batteries, that was my concern Link to comment Share on other sites More sharing options...
VapingBad Posted June 1, 2016 Report Share Posted June 1, 2016 "it should be fine with most 18650s but probably too low for LiPos" Link to comment Share on other sites More sharing options...
JaI Haze Posted June 1, 2016 Author Report Share Posted June 1, 2016 oh ok I was misunderstanding it because this "It will shorten the life of your batteries a little" Link to comment Share on other sites More sharing options...
IMoL Posted June 2, 2016 Report Share Posted June 2, 2016 It *may* slightly shorten the life of your batteries, but I never worry about that. Batteries are a consumable, like wire/cotton/juice - they will never last forever, whatever you do.Is it *safe* to discharge 18650s down to 2.9 (under load)? YESPersonally when running with 18650s, I set the cutoff to 2.8 - when I remove the batteries they generally read at 3.2 on the charger. When running with LiPo, I leave the cutoff at 3.09. Link to comment Share on other sites More sharing options...
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