I would rather not mess with an expensive APV to make it work with something that's less expensive. Especially when that APV works fine with several other tanks. It's just me.
The tank needs to work with the APV not the other way around. I wrote to kanger's USA customer service in GA. Hopefully they will look into this, considering I am not the only one who is having this problem.
Unfortunately, this is not always the case. I have some attys that have adjustable center pins and even the same tank needs to be adjusted differently to work on the same battery from time to time. If the tanks are over-tightened, it will push your battery pin down and although it may work with some tanks; it may not work with others unless you manually pull the battery post up a bit.
I use the Aerotank bases a lot and sometimes they work easily and other times they do not. The actual center pin of the Aerotank base, the center that makes contact seems to be spring loaded and depending on the coil, is in different positions (sometimes more out than in and vice versa). You could try cleaning all of your contacts with rubbing alcohol but if the VTR is working with some tanks and not that one, it is the two pieces not making good contact. You can try to tighten down the coil as much as you can AND trying to snug the base of the Aerotank so there is no space between the base piece and the Aerotank..........or raise your VTR battery post up a bit.
EDIT: there are also times that if I screw down too tight, it won't work and if I slightly unscrew it and fire the button (repeat until it fires the atty); that works too
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