Sorry for the delay Yellow sir.
Instead of links will just type it all out if you don't mind.
When it comes to cleaning batteries all you need is some high abv liquor (everclear, vodka, etc.), a q-tip, sewing or safety pin, and some paper towels. Once a week or so clean the post and threads with a q-tip dipped in alcohol (do not use isopropyl, the fumes can/will damage your lungs). Use the pin to clean the gunk on the threads, paper towel to wipe it off, let dry overnight. If using everclear will actually dry in an hour so (95% alcohol), you want to be sure the post and threads are dry before charging. Cleaning the charger is the same, just be sure it's completely dry before charging anything with it (though you most likely won't have to clean it more than once a month if your batteries are clean).
Other maintenance tips- Don't deep cycle if you can. Be prepared for the long charging times, always suggest having two so you can use one while the other charges. If you're using an auto make sure the small hole where the led is located is cleared of any debris. That's the air intake hole to activate the switch.
Hope this helps good sir.