[Russell Dawkins]

http://tinyurl.com/2ahhur

4 - 10s should do it, wouldn't you think? If you control the impulse to turn it up, you can play it forever on solar cells.

[Bemopti123]

Damn, that might sound better than most of the audiophile systems that people have around here...counting on the portability factor form.   

[SET Man]

Hey!

    An audiophile ghettoblaster?

    That's pretty cool. Love the solar panels

Take care,
Buddy

[Brad]

That's a great idea, well executed
26kg is not light, though    Might limit usage on a bike....