Fake Ultrafire 18650 battery warning | Candle Power Forums
The "Ultrafire" 18650 name explained – 18650 Battery | BATTERY BRO
Fake Ultrafire 18650 Batteries - Show and Tell - TheSmokinApe - YouTube
Opened up a fake Ultrafire 18650. Expecting the normal smaller battery with paper wad. Not exactly sure what I am looking at. It looks like a rolled battery. Started to catch fire.