I bought this because I have Hitachi and Metabo 18v tools so I already had four batteries and a couple of chargers. I like it, it has good suction for a cordless vacuum, it doesn't pick up a lot of dirt but it's good because I shake it out after each use. I'd rather not know, but that doesn't matter. The only thing I didn't like was that the cone of the pole is upside down compared to normal vacuums, so you can't use brushes and other tools from other vacuums, but I solved this problem because…