Who manufactures the Fenix lithium-ion batteries?

The manufacturer is Fenix themselves based in China. Each battery from Fenix has a multiple protection design to ensure safety. For instance, there is the protection circuit in the anode that will protect against over charge, over discharge, short circuit, and overheating. There is also a three-part protection against overheating such as the pressure relief valve, a PTC cathodal block, and a separate microporous protection. Learn more about protected and unprotected lithium-ion batteries

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