How to Test AA Batteries For All Those Toys [Videos]

Seems like I never have enough good batteries on hand for the remotes and kids toys in my house.  We have a red solo cup full of AA batteries on our counter because I know they have a little life left in them but not enough to run some of the gadgets. A meter is always a good measure of how much power is in a battery but I don't have one.  This helpful tip makes anyone a pro at determining if a battery is good or not:

So today, or maybe over the weekend, I'll dump the solo cup and see if any of the batteries I saved are worth keeping.