I have several going strong after 7 years. My REOs and Provaris to name 2.
Heck my original Joyetech Ego kit the batteries were still going up till last year and those were over 7 years old. My Vamo that is just a couple months newer than the Egos still works though one of the extension tubes is stuck so it has to be used in 18650 mode LOL.
1st 2 Joyetech Penguins survived nearly 3 years through multiple drops onto cement. It was the non changeable batteries that finally died on them. Second set is pushing 2 years old now and still going strong.
My original kanger subbox mini worked for nearly 3 years before the 510 connection broke and I am still not certain that wasn't my fault,
I've not had good luck with smok Mods though some of their tanks work well for me.
Heck my original Joyetech Ego kit the batteries were still going up till last year and those were over 7 years old. My Vamo that is just a couple months newer than the Egos still works though one of the extension tubes is stuck so it has to be used in 18650 mode LOL.
1st 2 Joyetech Penguins survived nearly 3 years through multiple drops onto cement. It was the non changeable batteries that finally died on them. Second set is pushing 2 years old now and still going strong.
My original kanger subbox mini worked for nearly 3 years before the 510 connection broke and I am still not certain that wasn't my fault,
I've not had good luck with smok Mods though some of their tanks work well for me.