Custom 14500 silver hand warmer (it is a flashlight)..

Very nice build.

Now thats custom…+1+1+1

The cook cells are LiFePO4 ? Not Li-polymer? Correct me if im wrong

True. I screwed up. I will edit it. Thanks.

There appears to be a couple of web sites up now that have been down. Has anyone had experiences with these?

http://www.efestbattery.com/index.php?route=product/product&product_id=53