As a result of his passion for science and his experience in the pipeline industry, he invented a "wireless charger for robotic pipeline crawlers." The invention uses electromagnetic waves to transmit energy through oil pipelines to charge the robots that inspect them wirelessly. By using electromagnetic waves, robots can be charged from as far away as 500 meters, which enhances the inspection process and makes it more effective. In April 2013, he filed a patent application with the World Intellectual Property Organization (WIPO), and in June 2013, he received a patent for his wireless charger innovation in the United States.  According to the GIST Initiative (a partnership between the U.S. Department of State and CRDF Global), wireless power charging is among the 90 best startup projects in the world. 

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Mohammed has since taken his prototype to the United States and won enough awards to fill an entire cabinet. To summarize: the FIIG INPEX Award, 2012; European INPEX Award, 2012; gold medal at EUROINVENT, 2013; gold medal at Expo Inventika (Romanian Investors Forum), 2013; Best Innovator Award at the World Inventor Award Festival, 2013; the $15,000 Grand Prize at the 7th International Invention Fair in the Middle East IIFME-Kuwait, 2014; gold medal from Association Russian House for International Scientific and Technological Cooperation, 2014; as well as taking part in the INPEX conference in the US, 2013. Chaari is also a senior member of the Institute of Electrical and Electronics Engineers (IEEE). He is an IEICE Japan Member, and a member of ASNT. 

​He is a member of the editorial boards of a number of scientific journals and an Associate Editor for the "International Conference on Sciences and Techniques of Automatic Control & Computer Engineering". ​

His current research interests are wireless power charging and radiofrequency energy harvesting. He has published ten articles and two books in these fields. His research focuses on rapid prototyping and innovation. 

From alpha to beta, he provided consulting services to numerous companies and government agencies. In addition, he taught numerous courses at government laboratories and private companies.