The SVD is a telescoping
mod, so the size of the mod will be determined by the battery or
batteries you choose to use. You can start off with an 18650 and scale down to a single 18350 when you want a more pocket friendly mod.
SVD .vs. SID - Similarities:
- VW/VV;
- scale to 6 volts or 15 watts;
- accept standard 510 atomizers;
- removable ring for eGo cone threading;
- accept flat-top and button-top
batteries;
- short circuit and reverse battery protection;
- resistance / load detection;
SVD .vs. SID - Differences:
- The SVD is Stainless Steel; the SID is aluminum;
- The SVD uses a 3-button menu system; the SID uses a one button menu system;
- SVD is ~4.5 ounces without a battery; the SID is ~2.5 ounces without a battery;
Those are the basics. I own the SVD and I love it. With the SID, you're stuck with one size; with the SVD, your battery dictates the size so you can switch them out quickly with a few twists.