Get leading performance and the power of gas in a cordless mower powered by PWR CORE 20 lithium technology. The digital, brushless motor combined with two PWR CORE 20 4.0Ah lithium batteries provides unbelievable power and cutting performance. Youll have control from start to finish with a push-button start, while the single-lever height adjustment delivers 6 different cutting heights for your desired grass length. The two 4.0Ah PWR CORE 20 lithium-ion batteries charge 100% in less than 100-minutes, while delivering 40V performance and allowing for universal battery use across all your SKIL PWR CORE 20 devices. When the task is complete, the telescoping handle folds down completely allowing for vertical storage. This 18-inch cordless lawn mower kit includes two 4.0Ah PWR CORE 20 lithium batteries for maximum run time, and a dual port charger.the Included batteries and dual port charger are compatible with all SKIL tools in the PWR CORE 20 family.