Give yourself a power boost! BoostTurbine2000 from Eton is a durable back-up battery with a hand turbine power generator that provides power when you need it most. For everyday or emergency use, BoostTurbine2000 enables you to charge your mobile device anytime, anywhere. In 1 minute the turbine can provide enough power for 30 seconds of phone calls or a few critical texts. Fully charged the 2000 will fully charge most smartphones. 527035: limited quantity available.