Fake Ultrafire 18650 battery warning | Candle Power Forums
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The Best 18650 Battery and How to Avoid Buying Fakes
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.
Disassembly of some UltraFire batteries | Candle Power Forums