In the box the charger came with (mine is black) there was the charger (mine was blue), a bunch of cords, finally there was a white thing with some blue print on it and some staples in it. It should say "instruction manual" somewhere on the front. Regardless when you opened it up there was a bunch of writing on each page, after flipping through, (to page 21 on mine) there was a fairly straight forward step by step walk through for NICd/NIMH batteries.
"Are you going out LARPing in the woods with your friends this weekend?"
"First of all it's called airsoft, and second you can't bring the foam lightning bolts
you made unless the crono shows they are under the FPS limit"