Stumbled onto this episode of Developed last night.
They discuss why using sweetener is absolutely necessary, but more interestingly which sweetener to use with which profiles (and why).
We have an intrinsically safre torch at work that uses 18650 batteries. It is a Nitecore torch and was supplied with charger and batteries. This morning I removed one of the Nitecore batteries to charge my Samsung 25R battery. Check out the difference in length. The Nitecore battery has 18650...