The SKIL PWR CORE 40 Brushless 40V 20 In. Self-Propelled Mower combines a digital brushless motor with PWR CORE 40 lithium technology for powerful cutting performance and convenient ease of use. You'll have control from beginning to end with this cordless lawn mower thanks to its push-button start and self-propel with a variable speed control dial to pick your pace. The lawn mower delivers 2-in-1 cutting with your choice of bagging or mulching with the included grass bag and mulching plug. Easily adjust the cutting height across seven settings with a single lever. And when the task is complete, the telescoping handle folds down completely allowing for vertical storage. This electric lawn mower kit includes a 6.0Ah PWR CORE 40 lithium battery for up to 55 minutes of runtime and an Auto PWR JUMP charger.