Info straight from stihl Sept 13 2011
In the chain saw segment, STIHL presented six new products for the new season. The compact, lightweight MS 150 C-E chain saw scales only 2.8 kilograms and is suitable for the crafts and trades, fruit growers and gardeners as well as demanding private users for woodworking projects, tending trellis fruit trees or cutting firewood. The top handle version, the STIHL MS 150 TC-E, simplifies cutting for professional tree surgeons. In addition to the gasoline chain saws, the company is launching four new electric models: The STIHL MSE 150 C-Q and MSE 170 C-Q have been developed for serious DIY users for jobs around the house and garden. The more powerful models in the same series, i.e. the MSE 190 C and MSE 210 C, are designed to meet the demands of professionals in construction and finishing, carpenters' shops, the refurbishment trade and in agricul-ture.