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Abstract\nIMPLICATIONS FOR REHABILITATIONThe increasing prevalence of mobility impairments underscores the urgent need for accessible and affordable mobility aids. To overcome the mobility limitations of people with disabilities, there is an increasing need for the development of lightweight and portable powered wheelchairs that can be easily loaded. This study aimed to perform an early health technology assessment and a formative usability evaluation on a modular (detachable) powered wheelchair. It aimed to gauge device satisfaction among users, pinpoint areas for improvement, and detect any unforeseen errors to inform future development. Engaging 16 participants, including powered wheelchair users, healthcare professionals, and caregivers, the research evaluated the wheelchair’s functionality in various scenarios, emphasizing safety, effectiveness, and convenience. Statistical analyses of task performance and satisfaction surveys highlighted that, while powered wheelchair users successfully completed tasks focusing on driving and power control, healthcare professionals and caregivers encountered difficulties with the wheelchair’s assembly and disassembly. Despite general positivity, the surveys indicated mixed satisfaction levels regarding safety, validity, and convenience, with specific issues related to frame durability, seat comfort, and control mechanisms. These findings suggest that refining the wheelchair’s design and addressing user concerns could significantly enhance satisfaction and mobility services. Future efforts will include a thorough review of an advanced prototype and further satisfaction assessments.We believe that our study makes a significant contribution to the literature by addressing a critical gap in the understanding of user-centric design and usability testing for powered wheelchairs.By emphasizing the importance of early assessments and incorporating user feedback into the development process, our research offers practical insights for creating more accessible and user-friendly mobility solutions.This contribution is particularly relevant in the context of advancing assistive technology and improving the quality of life for individuals with disabilities.We believe that our study makes a significant contribution to the literature by addressing a critical gap in the understanding of user-centric design and usability testing for powered wheelchairs.By emphasizing the importance of early assessments and incorporating user feedback into the development process, our research offers practical insights for creating more accessible and user-friendly mobility solutions.This contribution is particularly relevant in the context of advancing assistive technology and improving the quality of life for individuals with disabilities. [ABSTRACT FROM AUTHOR]