check out this website, when you get there neare the top of the page hit the link which says: -
Latest Equalising Information
This page has fairly technical information but it answers all of your questions and probably quite a few more.
When I equalise properly I get 4300+ Mah into my cells on charge for my 3300's and upwards of 4500Mah in my 3700's. Getting more in means you get mroe out which is prooved on this page.