Hello, Juan - We're very sorry to read about the frustration you're having with the ONE+ Edger! Here are some tips that may improve your experience. (Before adjusting the depth of the blade, please remove the battery pack from the edger). First, try raising the depth of the blade and then throughout the project lowering it. This will help distribute the workload of the edger more evenly and won't tax the battery as much. Also, you'll want to edge when conditions are dry to get the best performance and cut. Lastly, if this is your first cut of the season, the edger will have to work a little harder to make the initial cut. But, with routine maintenance, you should have a better experience with the run time and performance. Hopefully, this will help, but if it doesn't, then please contact us at reviews@ryobitools.com.