I would guess it's possible - I have a computrainer - which is basically a trainer that is a dynamo with a meter… My husband and I have sometimes had the opposite question, it doesn't actually power anything so we've wondered if we could rig it up to say charge my iPad…



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Portable devices recharged through the USB cable all take 5.0V. It's part of USB standard whether its USB1.0, 2.0 or 3.0 so you would still need additional electronics.
