I can?t say for all brands, but I have use Milwalkee, Makita, B&D, Craftsman & Skil in the past and settle on the Dewalt power tools.
My 9.6 Dewalt can be use to put up drywall & 5/8 ply, but it only have enough battery juice to last about 3/4 hour...good thing that it come with an extra...