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Treadmills That Require No Electricity In contrast to motorized treadmills, manual treadmills do not require electricity to turn the belt. They are great for preserving energy, and also giving you to exercise outdoors. This model has a padded deck for running, as well as a simple display which tracks distance, speed and calories burned. It also comes with a belt and deck that are curved that improves the running technique by reducing runner's stride. Manual treadmills Manual treadmill