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Hydrobee, The New River Charger

Hydrobee lets you charge a battery from a fast-flowing river to juice up USB devices off-grid. There’s two parts to Hydrobee. When wearing its ‘Stream Body’, the gizmo can be placed in a river or dragged behind a boat so long as the water is flowing faster than 1.8m/s (or 4mph+), and two to four hours later its battery will be fully charged. A smaller inner unit can also be attached directly to a flowing faucet to charge so it could be used as a back-up power generator for your phone during a power outage.

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