Interesting. The same question was asked 9 hours before you did.
I just am utterly dumbfounded. I am wouldn't be surprised if the some of the people here on, didn't complete the paperwork after their daily toilet!
I use it quite frequently, the Search Engine for this Forum. Search for "power supplies", you got 20 different threads addressing power supplies. Search for "gearing", "Batteries", "chargers", there is wealth of information here.
Are people really being helped, or are some of the people actually doing the work and thinking for them.