Should I use a power supply? LOOK Client Service March 05, 2024 12:53 Updated There's no need to use a power supply to recharge POWER pedals. Any USB port will operate. Related articles How can I view the Cycling Dynamics® pedal POWER? What is the stack of my power pedals? Is it possible to change the battery and how long does it last? What type of battery uses the POWER pedals and how long does it last? When should I calibrate my POWER pedal?