Imeo , First impression of Esterigon :
Just how it came was performing even better then the well known front button mech mod i was using ( sold already

).
After vaping for awhile I disassembled completely Esterigon and just washed with warm water and mild soap.
dried everything carefully , applied just a little vaseline on o rings of spring loaded app.and cleaned all contacts , threading's with alcohol to eliminate all traces of body oil .
Assembled with penny v3 ( set at my personal usual choice at 2 ohm ) ,18350 AW imr batt. with the result of Non noticeable voltage drop !
Batt was lasting longer then usual . I checked the voltage of battery , because it was lasting longer then usual and reading was 3,40 V ! strange.. was still vaping fine.
Assemble and disassemble of all parts are very user friendly ( no tools needed )
Everything strait forward , no adjustments needed. all 510 connector attys will just work and sit flush to mod.
Air control works precisely
Button is soft, sweet and perfectly responsive .
locking function works like a charm.
Overall aesthetics and finish are excellent
In conclusion : I will highly recommend this mod to GG and non GG fans
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