Gallery: ASK A TECH GEEK: How Can I Charge My Gadgets With Renewable En...


Powerfilm Rollable Solar Charger

If you're looking for a flexible solution to generating renewable energy, the rollable Powerfilm Solar Array has you covered. This lightweight photovoltaic panel packs down to a compact parcel that can be unfurled at a whim to maximize solar exposure. A 5-watt, 5.4 volt array of monolithically integrated thin film panels provites the perfect amount of juice for charging practically any handheld gadget - from phones and game systems to cameras and MP3 players.

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  1. globallyconscious July 19, 2011 at 5:40 pm

    the voltaic bag works great. i’ve had one for a couple of months now and i put it by the window of my office while i work. charges like a charm!

  2. energynerd July 19, 2011 at 5:39 pm

    Does that power peg thing work by shaking it? the design is a bit perplexing.

  3. renewability July 19, 2011 at 5:37 pm

    i used one of those roll-away chargers during my time in the peace corp! the sunshine was definitely ample in mali, but it charged all my electronics!

  4. solarlizzard July 19, 2011 at 5:35 pm

    i’m totally putting my husband to work on that bike generator. he could use a few lbs, and i would love nothing more than to watch television powered by his weight loss. awesome!

  5. Nathaniel Ross July 13, 2011 at 6:56 pm

    LOVE the nPower PEG idea. People forget that we’re walking energy sources and this product makes use of that! Well done, and great reporting!

  6. Beth July 13, 2011 at 4:40 pm

    I want the pedal bike in toddler size so my daughter can burn off some steam while revving up my laptop!

  7. gettincouscous July 13, 2011 at 4:35 pm

    i haven’t had much luck with wind-charging devices. i bought the hymini and it didn’t work very well at all.

  8. justsomecmtr July 13, 2011 at 4:29 pm

    i wish there was a way of pumping the electricity you make on the bike into the grid, then just get free energy later

  9. technogreenie July 13, 2011 at 4:26 pm

    I’m bringing that K3 charger on my next camping trip!

  10. gardengnome62 July 13, 2011 at 4:19 pm

    what a great way to put my morning bike ride to good use! i’m going to get that bike generator!

  11. surfzb July 13, 2011 at 4:16 pm

    the npower peg is one of the coolest ideas i’ve ever heard of

  12. Brit Liggett July 13, 2011 at 4:13 pm

    Swooning over the wind and solar charger. That thing is rad!

  13. Jessica Dailey July 13, 2011 at 4:12 pm

    I love that nPower Peg charger! So useful and convenient. Definitely going on my wish list…

  14. rainbowchard July 13, 2011 at 2:16 pm

    Great ideas here – I had no idea a bike charger could power a microwave.

  15. abeabeington July 13, 2011 at 1:10 pm

    I wonder about the durability of the rollable charger…

  16. Bennita July 13, 2011 at 1:10 pm

    I like how the nPower Peg makes you work for your power – in a good way!

  17. Jill Fehrenbacher July 13, 2011 at 1:04 pm

    Great list Pete! Nice going. I totally want to check out the nPower Peg!

  18. Diane Pham July 13, 2011 at 1:04 pm

    the pedal power bike is amazing!

  19. fangmcgee July 13, 2011 at 1:03 pm

    The bicycle generator is on my wish list!

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