Foursevens 16650

Foursevens 16650

$15.00
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Foursevens 16650 (2200mAh) Rechargeable Li-Ion The safer alternative to 2x(R)CR123 cells WORKS WITH: Foursevens Quark QK16L 16650 and other legacy Quark Click/Pro/Tactical (also other 4.2V two cell lights). Does NOT work with the Quark Smart.  If you have questions about whether a 4.2V Li-Ion battery will power a light that is NOT a Foursevens light you should contact the manufacturer.  Theoretical Run Time Comparison @ 1A: Foursevens 16650 2200mAh = 3 hours 2xRCR123 750mAh = 2 hours (poor capacity & explosion risk) 2xCR123 1500mAh = 3 hours (good capacity but explosion risk) This rechargeable 16650 battery has capacity equal to 2xCR123 cells and significantly more capacity than 2xRCR123 cells. The upcoming Quark QK2L 16650 will ship with this battery included, but we highly recommend using this battery in all of your two cell lights that are compatible with 4.2V.  Why? Because we believe that running a light with 2x(R)CR123 is dangerous. Using two cells in series creates a si

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