Fwiw Molicel INR 21700’s are rated for discharge down to -40C (pdf) though charging only down to 0C. I don’t see a need for a sodium ion flashlight just yet, but I’m posting anyway since I guess it’s news despite being stupid.
Fwiw Molicel INR 21700’s are rated for discharge down to -40C (pdf) though charging only down to 0C. I don’t see a need for a sodium ion flashlight just yet, but I’m posting anyway since I guess it’s news despite being stupid.
With a zoomie?!
The claim of the battery not minding getting fully discharged is nice though.
I’ve generally heard that it’s ok to discharge LFP batteries to 0%. You just shouldn’t store them that way (or at 100%) for long periods. Keep in mind that LFP has maybe half the energy density of the highest density NMC batteries, and sodium has maybe half that of LFP. Sodium really doesn’t sound that good batteries for portable devices.