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Charge your devices with this easy-to-install designer solar panel that hangs in your window.
Charge your devices with this easy-to-install designer solar panel that hangs in your window.
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466 backers pledged $70,760 to help bring this project to life.

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Window Solar Charger: Solar Power for Apartment Dwellers

$70,760

466

*Less than 24 hours left!*


☀️ Harvest solar energy from your apartment, no roof required.

The Window Solar Charger is a designer solar panel that charges your devices. Unlike most solar panels, it's designed to hang in any window. For those who rent or can’t install solar panels on their roof, this is a small way to be more eco-friendly. 



⚡️ How it works 

Hang in any sunny window. It takes 8-10 hrs of direct sunlight to fully charge the built in battery.
Hang in any sunny window. It takes 8-10 hrs of direct sunlight to fully charge the built in battery.
Plug your phone or USB device into the included USB port. A full internal battery can charge iPhones 2 times & Android phones 1 - 1.5 times.
Plug your phone or USB device into the included USB port. A full internal battery can charge iPhones 2 times & Android phones 1 - 1.5 times.
Charge all your favorite small USB devices from the charger's internal battery. A full battery can charge iPhones (2x), Android phones (1 - 1.5x), Tablets (0.5x), Air Pods (3x), Portable Speaker (1x), Donuts (1000x).
Charge all your favorite small USB devices from the charger's internal battery. A full battery can charge iPhones (2x), Android phones (1 - 1.5x), Tablets (0.5x), Air Pods (3x), Portable Speaker (1x), Donuts (1000x).



🙌🏽 Testimonials




🌎 Small Changes, Big Impact.

At Grouphug, our mission is to inspire a sustainable lifestyle that is effortless, without sacrificing design.

There is a world where renewable energy can be user friendly, and ridiculously good looking! And most importantly, they’ll reduce your reliance on fossil fuels. We’re not going to be able to go off the grid overnight, but we can take steps to getting there. Our patent pending Window Solar Charger is just the first of many Grouphug products that will shift the way we think about consuming energy. 




🙌🏽 In the News   



🔥 Features




✨ Design Process

First, we researched the history of solar energy. The first commercial solar panel came out 60+ years ago... and it looks EXACTLY the same today. Why?! We’re breaking out of that conventional design. 

Next came oodles of prototypes! (Left) One of our earliest prototypes taped to a window. (Right) one of maaaaanny failed solar prototypes that we made along the way.

We develop all of our prototypes at A/D/O, a maker space in Brooklyn. They have every tool you can imagine AND they're only 5 minutes from the legendary Peter Pan donut shop (donuts fuel prototyping). 

Then we built some beta solar chargers & had people try them out! Our early customers have been using the Window Solar Charger for a few months & give us feedback on what is working or not working. 





🙋🏾‍♀️ About the Designer

Hi! I’m Krystal, the founder of Grouphug. 

I’m a product designer based in New York. I have a B.S. in industrial design from Georgia Tech. I've spent 6+ years designing consumer electronics & know what it takes to bring a hardware product to market. 

My story starts with a frustration. 

I’m a pretty eco-conscious person. I carry reusable tote bags, I use stainless water bottles, I compost - I do ALL of the things. But when it comes to renewable energy, I couldn’t find an easy way to incorporate it into my life. I live in a tiny 300 square foot apartment in New York City. I can’t install solar panels on my roof. There are personal solar panels on the market, but they are designed for camping, which I HATE. And that's how the Window Solar Charger was born! I wanted a solar panel I could use every day that was beautiful enough to hang in my apartment.

I’m a founding member & former Senior Director of Product Design at littleBits. I spent over six years managing new product development & a team of product designers. We made several award-winning kits - including the littleBits Synthesizer Kit with Korg & the littleBits Droid Inventor Kit with Lucasfilm & Disney.

This spring I was a Designer-in-Residence at the New York Hall of Science where I created a gigantic cat-shaped solar panel that powers a phone charging station (and meows!).

I teach product design at the School of Visual Arts & the New Jersey Institute of Technology. I’m not only passionate about sustainability, but also a fierce advocate for more women in STEM.


---


🎁  $20 Reward: Grouphug Enamel Pin 

Grouphug Enamel Pin. Show off your Grouphug love by sporting this white & gold beauty. Dimensions are 2" long x 0.5" wide.
Grouphug Enamel Pin. Show off your Grouphug love by sporting this white & gold beauty. Dimensions are 2" long x 0.5" wide.

✨ SOLD OUT! $199 Reward: Deluxe Window Solar Charger

  • Kickstarter Exclusive! Limited quantity.
  • Features solar cells in a beautiful herringbone pattern 
  • 2 USB ports (instead of 1), so you can charge 2 devices at the same time 
  • Double the battery capacity 
  • Larger size, Deluxe (19" x 19") vs. Standard (10" x 13") 
What a beauty! This is our physical mock up. Note the final product will vary - this prototype uses polycrystalline cells, is missing a hanging cord, has a black wooden frame & only 1 USB port. The Kickstarter version will have a cord, a bamboo frame, & 2 ports.
What a beauty! This is our physical mock up. Note the final product will vary - this prototype uses polycrystalline cells, is missing a hanging cord, has a black wooden frame & only 1 USB port. The Kickstarter version will have a cord, a bamboo frame, & 2 ports.


🛠 Timeline

  • June - Kickstarter Campaign 
  • July - Onboard manufacturers 
  • August - Design for manufacturing
  • September, October, & November - Several sampling rounds to get it right. 
  • December - Pilot (PVT) and Manufacturing
  • January - Kitting, Shipping, & Fulfillment 
  • February - Chinese New Year 
  • March - Buffer! Things happen, we built in this extra time for error. 
  • April - Window Solar Chargers start shipping to you!



✨ Why Kickstarter?

We're not on Kickstarter just to raise money, we’re here for YOU (yes, you). We know that Kickstarter supporters have a sharp eye for design & are the best early adopters a girl could ask for. We are looking for passionate people like you to join our growing community.  



📣 Join Our Community.

Follow us @grouphugtech (instagram, facebook, & twitter) to stay in touch about new events & products. 



💖 Thank Youuuuuuu.

Kudos to you for making it to the end of the page. Special thanks to our collaborators Kristin Salomon, Hirumi Nanayakkara, & Mary Kate Luff for making this magic happen. GIRL POWER.



👀 Beta Prototype Demo

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Risks and challenges

▶︎ When making anything new, there are always unknowns and points of failure. Should any delays arise, it’s our commitment to let you know why and what we are doing to solve it. We take your pledge seriously and communication is our priority.

Learn about accountability on Kickstarter
Questions about this project? Check out the FAQ

Support

  1. Select this reward

    Pledge US$ 1 or more About US$ 1

    Virtual Hug

    We'll post your name on our backers list and keep you informed of the latest updates. Thanks again for supporting Grouphug!

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    Pledge US$ 20 or more About US$ 20

    Grouphug Enamel Pin

    Show off your Grouphug love with a premium white & gold enamel pin.

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    33 backers
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    Pledge US$ 249 or more About US$ 249

    2 x Window Solar Charger

    Get 15% off the normal retail price when you buy two.

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    Limited 55 backers
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    Pledge US$ 349 or more About US$ 349

    3 x Window Solar Charger

    Kickstarter exclusive! Get over 20% off the normal retail price when you buy 3. Perfect for gifting to family & friends.

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    Limited 8 backers
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  5. Reward no longer available

    Pledge US$ 129 or more About US$ 129

    1 x Window Solar Charger

    EARLY BIRD DEAL!
    Be the first to get your hands on the Window Solar Charger at this exclusive price. Get 15% off by snagging one now. Only available for the first 50 backers. The retail price will jump up to $149 when these are all gone!

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    Reward no longer available 50 backers
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  6. Reward no longer available

    Pledge US$ 149 or more About US$ 149

    1 x Window Solar Charger

    Charge your phone with this beautiful solar panel that hangs in your window.

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    Ships to Only certain countries
    Reward no longer available 194 backers
    $

    By pledging you agree to Kickstarter's Terms of Use, Privacy Policy, and Cookie Policy.

    Kickstarter is not a store.

    It's a way to bring creative projects to life.

    Learn more about accountability.
  7. Reward no longer available

    Pledge US$ 199 or more About US$ 199

    1 x Deluxe Window Solar Charger

    Kickstarter Exclusive!
    - Double the battery capacity
    - 2 USB ports (instead of 1), charge 2 devices at the same time
    - Beautiful herringbone pattern

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    Estimated delivery
    Ships to Only certain countries
    Reward no longer available 38 backers
    $

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    Kickstarter is not a store.

    It's a way to bring creative projects to life.

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Funding period

- (30 days)