PVTSO Elite IMR 18650, 3100mAh Battery, Flat Top
These batteries have the highest capacity of any high-drain battery. They are ideal for variable voltage mods, allowing extended use over standard 18650s. These will also last a long time when used with a mechanical mod, but these are not designed for high-current applications (sub-ohm). When used at 3.7 volts with a standard resistance atomizer, these batteries offer approximately 31 hours of constant use. Higher voltage and lower resistance will shorten the lifespan, but anybody should be able to get at least a full day's use out of these batteries.