Brand new vapcell k10 14500 Weird black color on the positive end and wavy wrap. Should I be concerned. Ordered…

Just discovered that these old mini-Maglites did this, and wanted to share ahead of the weekend snow/ice storms. You screw…

If I lose power it might be cold but it won’t be dark that’s for sure by fractaladam

Size comparison: Hanklights with 18350 and 18500 battery tubes. by kotarak-71

I was curious about these rechargeable 1.5 volt lithium AA batteries for some time. Advertised to output true 1.5 volts.…

Just received this Wuben X4 today and it’s a bit chunky but a beast. by Truck_hater

Slammed on the brakes. Wife: “What the hell”!! Me: “I gotta take a pic of something real fast” – Bust…

Well, I did a thing. Not super impressive but I really like it and it will fill its role perfectly.…

I got two of these, one of them I got working with a AA battery pack and a new LED…