There is no TCR mode per se, but you can set TCR values after selecting your choice of Ni, Ti, or SS modes. I used SS316 wire with the default SS mode set to a TCR value of 00092. I tested six builds, ranging from single round round wire in spaced single and dual coils to fancy single- and dual-coil builds. Overall I was pretty impressed with the performance of this mod.
In 2017 we saw a lot of good temperature control mods that don’t cost an arm and a leg, and the OBS Bat is right there with them. It’s been smooth and consistent and has great ramp up. Even switching between builds I didn’t have to adjust any settings. Wattage can be set in TC mode all the way up to the full 218 watts. There is no limit on power in temp control. It throttles back nicely and is never “pulsey.”
The mod does tend to hit a little on the low side. I like a warm vape, and every build I’ve used has worked well in the 460-480° F range, so I recommend starting off around 430° F then working your way up until you get the vape you want. It has good dry hit protection under 500° F. Beyond that point, you might get a dry hit. I think most will find the vape they like in the 430-480° F range, which is pretty much the way it should be. Overall, I find the OBS Bat Mod to be a solid performer in temp control.