Yeah, my pass-through is manual. I have that and two batteries going at the moment, my first was a cig20 auto which is still working fine though battery life is getting low. I also have a manual battery. My friend wanted to try the manual and was just sitting there holding the button down till it automatically turned off, THEN trying to drag and complaining it had nothing. (
To be fair I find the auto a little more copacetic myself. I have been experimenting with cartomizers, refilling and using on all three devices, using syringe or dripping directly. I think I can handle keeping the autos safe while doing so, it really doesnt seem that hard so far.