Bosch GBH 180-Li VS GBH 18V-26, Ciocane rotopercutoare 18V Brushless

Today, shoulder to shoulder, we put two models of Bosch rotary hammers in the battery range, the smallest GBH 180-Li, 2.0J impact energy, 1800 rpm with 5100 percussion / min, and the largest and the most powerful GBH 18V-26, of 2.6J and 890 rpm with 4,350 percussions / min. Why? 1, Why not: D, 2, I think it would be interesting and useful to see, for users who want a cordless hammer from Bosch, to see which of the two models can meet the needs at work. So let's see what the differences are, in terms of work force and load behavior, between the two cordless rotary hammers with brushless motor from the Bosch range on 18V.