The Black and Decker Weed trimmer does exactly what it was designed to do. If anyone has ever owned "Anything" that ran on batteries, they should know that batteries go dead with use. Duh!. When I saw this product in the store and considering the strain the intended job would be on a small 18 volt battery, I knew the charge life would be small (common sense). I was very excited about having a tool that would Trim the Grass without yanking a rope till I drop or electrocuting myself. The Black and Decker Weed Trimmer was perfect. After reading all the crying about the battery only lasting 15-20 minutes...