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The Efest IMR 18650 LiMn 3100 mAh Battery Flat Top batteries have a lower internal resistance and therefore will deliver more current under a heavy load than most lithium 18650s when used in a high-drain e-cig, or vaporizer. Efest was able to dial these huge lithium-ion batteries to 20A continuous maximum discharge making them fantastic for unregulated / mechanical mods, however they will work just as fine in a VV/VW regulated mod as well.
We purchase these batteries directly from Efest, so they are guaranteed authentic Efest products.
This battery is sold individually as a single unit.