Product details:

Two Greenworks 24 VOLT POWERALL batteries combine for 48 VOLTS of exceptional, better than gas power without leaving the 24 VOLT battery platform Up To 45 Minutes Run-Time With 2 Fully Charged 5Ah USB Batteries. Run-Time Varies Based on Grass Condition and Operator Technique. Dual Port Charger Included Highly efficient brushless motor provides more torque, quiet operation, and longer life Self-propelled rear wheel drive and variable speed control for maximum traction, maneuverability, and control Durable steel 21 in. cutting deck gets the job done quicker and more efficiently