XL Fleet Corp. provides fleet electrification solutions for commercial vehicles in North America. Its products include hybrid electric drive systems are comprised of an electric motor that is mounted onto the vehicle's drive shaft, an inverter motor controller, and a lithium-ion battery pack to store energy to be used for propulsion; plug-in hybrid electric drive system, which are fitted to vehicles. In addition, the company offers vehicle electrification and infrastructure solutions, and charging stations. It serves end-use customer base comprising Fortune 500 corporate enterprises, public utilities, and various municipalities. The company was incorporated in 2009 and is headquartered in Boston, Massachusetts.