Not only can energy harnessed from kinetic, solar and wind-power save on batteries and mains charging, it also offers genuinely useful benefits in those situations where traditional sources of power are unavailable.
Wind-up devices, such as torches, radios and torch-radios offer distinct benefits since these typically consume very little power and can go for many hours on a full-charge. This technology is slowly making its way into more modern gadgets however, such as the Eco Media Player (£129.99/ USD$350) , which offers 40 to 45 minutes of playback from just one-minute of charging. There’s even talk of wind-up cellphones that use kinetic energy and the wind-up remote control from EZ Power is available now for a pocket-friendly £19.95.
Blown awayWind-power is less practical when it comes to portable devices, unless you happen to live in
Shine-onSolar power is perhaps the most well known of renewable energy solutions for portable devices, and panels have been woven into all manner of accessories to subsidize or replace batteries. The
These typically come with a range of connectors to support all manner of gadgets, media players and mobile phones, and in most cases specific adapters are available for different makes and models when a compatible attachment isn’t supplied.
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