OP
I've had my canister light now for more than a year. I'd like to do a burn test but I understand that running a lithium battery to zero can damage it. What's the best way to do this?
How to test burn time on a lithium battery without damaging it?
- Thread starter dray_gnv
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As you can see, it's complicated.
The takeaway for me is to not bother too much because my lights use inexpensive 18650 batteries and even a 20% capacity loss doesn't mean anything in how I use them. But if I were using an expensive battery pack and diving in caves, I would be much more attentive.
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