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Sinewave Cycles

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  1. Sinewave Cycles Revolution

    Sinewave Cycles Revolution

    $120

    There is a small but growing number of options for charging USB electronic devices with standard hub or bottle dynamos. But we at Intelligent Design Cycles have been generally unsatisfied with most we have tested because such devices tend to have the same frustrating flaw. They normally don't produce sufficient power to increase the charge on a smartphone while riding with the backlight on full power and running energy hungry GPS applications. In most cases, our smartphones indicated that they were charging, but in practice the power level decreased as we rode. The Sinewave Cycles Revolution was the only dynamo/USB charging device we tested that actually increased the charge on our smartphones with backlight on full brightness while running energy hungry GPS applications. And it did so at speeds an average cyclist can manage, i.e. faster than 10 mph.

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  2. Sinewave Cycles Reactor

    Sinewave Cycles Reactor

    $220

    There is a small but growing number of options for charging USB electronic devices with standard hub or bottle dynamos. But we at Intelligent Design Cycles have been generally unsatisfied with most we have tested because such devices tend to have the same frustrating flaw. They normally don't produce sufficient power to increase the charge on a smartphone while riding with the backlight on full power and running energy hungry GPS applications. In most cases, our smartphones indicated that they were charging, but in practice the power level decreased as we rode. The Sinewave Cycles Reactor was the only dynamo/USB charging device we tested that actually increased the charge on our smartphones with backlight on full brightness while running energy hungry GPS applications. And it did so at speeds an average cyclist can manage, i.e. faster than 10 mph.

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