It can be frustrating to respond to a thread, with good intentions, but a sinking feeling that it is going to be 10 posts or more before you figure out what the TS did that does not work or what the TS wants to do.
I guess I was a little snarky in my first response, but after a few posts, I thought; here is someone who is cold and has no electricity. Although it is not clear exactly what the situation was, it appears to have been: here is someone who notices that he and others on the bus are cold and would like to provide heat to everyone, or to a few particular people, when the bus' heater is insufficient.
I submit that nobody could tell that from the first post. The title simply said that he wanted to run a heater from cheap batteries.
It reminds me of
this thread, not because they are similar posts per se, but because the question of asking "why" the TS wants to do something came up. IOW maybe one of the first questions should have been, "why do you want to run the heater" with 14, 9V batteries? - something like that.
As it turned out, eventually, we seemed to understand what was going on (although not completely) and I, and others, made the suggestion of battery-operated warmers (gloves, socks, vests) were an alternative. Of course, if the original problem was, as noted, "How do you provide heat for an entire bus load of people when it is not your bus?" My answer would have been, you don't because it is problematic for a number of reasons.
One question is whether or not the TS would ask another question and, if so, would they include more information in the initial post. Alternatively, would they be less willing to ask a question. I hope it is the former.