> Efest, Vapcell, Trustfire, Treasurecase, Benkia, SOOCOOL, Maxiaeon
Sounds like a bunch of amazon merchants. Imagine buying lithium ion batteries from a vendor with "trust" and "fire" in their name at the same time.
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They re-wrap other manufacturer's cells (but don't disclose who). I dislike this practice because, along with not knowing who makes the cell, you lose the original mfg batch codes, etc.
Sometimes they will simply rewrap something like a Samsung 50S. Those will be fine. But others ... who knows.