Combining 40-Volt Lithium-Ion Battery power with Brushless Technology this mower delivers gas-like power without the hassle of gas oil or maintenance. The 4.0 Ah battery provides extended run-time and instant power at the push of a button. Choose between rear bagging or mulching your grass to get your desired results. Select your ideal grass height with the 7-position single point height adjustment. When the job is done simply remove and release bagger to empty your grass and lock it back in place. With folding handles this mower easily folds down when the job is done and can be stored vertically making it ideal for compact spaces.