HySA Infrastructure has designed and built a GEN2 short stack for PEMWE to evaluate various architectures of CCMs along with a proprietary data logger system. The GEN2 stack and data logger allow simultaneous testing of a combination of various CCMs for performance and durability (“mozaic” test mode). GEN2 stack is manufactured by HYSA Infrastructure. We will report soon on a new, high-pressure GEN3 stack design.