Ballard Power Systems is a provider of hydrogen fuel cell products and services. It offers heavy duty modules, fuel cell stacks, stationary power generation, marine modules, and other fuel cell power products. The company also provides technology solutions such as products development, systems design and integration, component design and manufacturing, testing services and stations, and licensing and technology transfer. Ballard Power Systems caters to the transit bus, truck, rail, marine, stationary power, critical infrastructure, material handling, and automotive sectors.