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Hi, i have a SpeedCoach GPS Model 2 with training pack i buyed in 2016 from this website. Last time i was using it turned off during the training and until now can not turning on again and also it does not charge any longer. Do i need to change its inte

Hello, Without it turning on, there is not much we can do remotely to troubleshoot. I would fill out a service request and have it sent it: https://nksports.com/nk-sports-service-request Regards, Joe Racosky jracosky@nkhome.com