Why does smashing a TV remote load its batteries? Many times I had the same problem: my TV remote's batteries were too weak for it to operate, but then, when I shook the remote a bit and smashed it on my palm, somehow the remote regained its ability. 
I'm pretty sure that many people faced this phenomenon.
Why does this happen?
PS: Contacts are OK.
 A: Batteries contain various liquids that are important for the voltage to be produced. Sometimes, the liquid – even water – may turn to gas and it is permanently lost, along with the capacity.
Sometimes, the liquid just moves to one side of the battery which is also bad. Shaking a weak battery may homogenize the concentration of the liquid across the battery. Shaking helps at least in the case of a "stratified battery" which indicates a much higher voltage than what it may actually provide.
A: I think the shaking action causes the batteries to move slightly, thus 'scraping' the contact area on the batteries and the contact elements in the remote.  This improves the conductivity, and so on. Certainly I've had success opening the battery compartment and physically rotating the batteries and/or scraping the contacts gently.
I think it's unlikely that typical AA batteries have enough fluid in their interior. See, for example, http://www.instructables.com/community/All-right-lets-clear-this-up-What-the-hell-is-i/ , which does state there's some fluid in the electrolyte, but so far as I know (which isn't much :-) ) it's quite viscous.
Take a look at http://www.instructables.com/community/All-right-lets-clear-this-up-What-the-hell-is-i/  or http://www.explainthatstuff.com/batteries.html  for other discussions of the types of electrolytes (often a powder, not a fluid).
