Pack a Pocket Full of Sunshine

The Solar Stash is a portable solar panel specifically designed to power mobile devices via USB. Charge your phone or headlamp, run your speakers or power your GPS using only the energy from our closest star.

While the Solar Stash is excellent for backpacking, camping, and being generally prepared, it’s also ideal for use in the developing world where access to energy is desperately needed. The Solar Stash is not yet in production, but you can help change that. Check out our campaign video and consider backing the Solar Stash today.

Watch Video

Solar Panels

  • Up to 5W power through USB 2.0 standard output
  • 3 modules, 11 cells per module
  • Polycrystalline cells mounted on fiberglass circuit cards
  • Modules combine current to preserve functionality in the event of damage
  • Optical grade silicon rubber prevents fogging/scratches
  • Materials allow increased flexibility
  • 25% smaller unfolded*
  • 40% smaller folded*
  • 18% lighter*

*against leading competitors

practical meter
practical meter practical meter practical meter practical meter practical meter

Practical Meter

The Practical Meter is the first of it’s kind. Created to overcome issues with estimating effectiveness in the field, the Practical Meter gives a visual representation of the output from your solar panel at a given moment. Just as you would expect a strong call connection with full bars on your mobile phone, you can anticipate shorter charge times with “full bars” on your Practical Meter. The Practical Meter can also be used with any USB solar panel sold on the market today.

  • 5 LEDs, each indicating 1W of power
  • Intuitive interface designed with users everywhere in mind
  • Easily know the output of your solar panel or any other USB port
  • Lightweight, solid-state components

Protection From The Elements

  • Built for the outdoors
  • Durable, water repellent, UV resistant, breathable fabric
  • Zippered charging pocket with sealed seams and water-resistant tape
  • USB cord wired through pocket
  • 200% more wattage*
  • 50% faster charge*
    time
  • 245% more watts
    per lbs*

*against leading competitors

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africa phone

10x
As many mobile phones
as landlines in Sub-Saharan Africa.

58.3
Million using Kerosene
as primary lighting
source.

$8.2BILLION
Spent on fuel for lighting.

UGANDA POPULATION 30mil.

80/90% WITHOUT POWER.

Ugandans pay between
10 and 25
cents
per phone charge!
365 days/year
x 1.0 charge/day x
0.15 $/charge -
$ 5 4 . 7 5

per phone on average that’s
238 TIMES
more expensive than U.S. average.

85%
lightbulb houses

Population without power
in rural areas.

53%

Use kerosene as their
primary source of light
and costs them 54% of
their annual income.

phone phone lighbulb

Flip phones are
~3.5 Whr to charge

Smart phones are
~7 Whr to charge

It only takes about 0.3 W
to run an LED light

Amount of est. energy this project will make in 1 year

  • solar panel
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  • solar panel
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  • solar panel
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  • solar panel
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  • solar panel
  • solar panel
  • solar panel
  • solar panel
  • solar panel
  • solar panel
  • solar panel

2000 panels x 12 kWhr/year = 2 4 , 0 0 0 kWhr/
year

Features:

  • -Practical Meter 5 LEDs power indicator
  • -USB 2.0 output
  • -Power: 5V, 1A max (5W)
  • -Water-resistant
  • -Charging stash pouch
  • Cell Type: Polycrystalline Silicon
  • Open-circuit voltage: ~6.5 V
  • Short-circuit current: 1.1 A
  • Fill factor: 0.7
  • Converting efficiency: ~17%
  • Cell area: 0.03483 m2

General:

  • Weight:
  • 296g (.653 lbs)
  • Dimensions (folded):
  • 4.33 x 7.5 x 1.08 in (11 x 19.1 x 2.75 cm)
  • Dimensions (unfolded):
  • 15.25 x 7.5 x 0.3 in (38.75 x 19.1 x 0.75 cm)
  • Optimal operating temp:
  • 0-120 F (-17-48 C)

Partners

For millions of families across Sub Saharan Africa, energy poverty is a daily struggle. Please take a moment to learn the facts about their situation, and how the Solar Stash can help make a difference by watching the short video below.

At Power Practical it’s our mission to design products that improve the lives of all our customers. We designed the Solar Stash to endure years of harsh conditions, and we are hopeful that it will become part of a global solution to end energy poverty. In order to get the Solar Stash to the people who need it most, we’ve partnered with several philanthropic organizations. Along with our partners, we aim to positively impact thousands of lives through this project, but only with your support is it possible to achieve this.

  • Solar Sister logo

    Solar Sister

    Solar Sister is an organization in Sub-Saharan Africa that empowers women by encouraging investment in solar power to light homes and build communities. Solar Sister has trained hundreds of women entrepreneurs to sell various types of solar panels, allowing them to earn a fair wage and provide for their families. For every Solar Stash sold, Power Practical will gift an additional panel to one of these Solar Entrepreneurs.

  • Interethnic Health Alliance logo

    Interethnic Health Alliance

    Led by our friend and mentor Dr. John Shavers, IHA assists rural communities in developing countries to obtain adequate health care, decent wages and education for their children. By identifying issues unique to each community, IHA is able to improve living conditions everywhere they’re involved.

  • Super Top Secret logo

    Super Top Secret

    Our friends at Super Top Secret generously donated their time to help us design and develop this site.

For more information about us or our partners, download our press kit here.

Contact

Looking for more information about Power Practical? Interested in partnering with us, or you know an organization that might be? We welcome all questions, comments and feedback. Please submit your information below, and we’ll get back to you as soon as we can.

Solar Stash logo

Frequently Asked Questions

  • Will the Practical Meter increase the output of my solar panel?

    The practical meter will help you position your solar panel in order to achieve the maximum output from your panel, but cannot increase the output of the panel itself. More lights means more power.

  • Can I use my practical meter on a solar panel I already have?

    Yes.

  • Will the practical meter work with other USB ports like computers and walls?

    Yes. Although all USB ports look the same, they don’t all have the same output levels. You can use the Practical Meter to know how much power you’re getting from any USB port up to 5 watts.

  • I want to know more about the organizations you’re working with, where can I find more information?

    Descriptions and links to our partner’s websites can be found above.

  • How does the solar evergreen fund work?

    Each panel purchased will put 1 panel in an evergreen fund. That panel is then resold slightly above cost in developing nations (eg. Solar Sisters in Uganda). The "profits" will go to sustain the nonprofit organization, pay the Solar Sister, reorder a new panel and leave slightly more money to go towards part of another still solar panel. Essentially it will create a standing pool of solar panels that are very high quality yet still affordable, and accessible to people that really need alternative energy sources in developing economies.

  • The silicon in the Solar Stash looks cracked, is it broken?

    No, polycrystalline silicon is formed as one large block made of different crystal zones. This block is sliced into thin wafers (about twice as thick as a human hair), and made into solar cells. What appear to be cracks are actually where different silicon crystals have grown into one another.

  • How does the Solar Stash help protect my phone while it charges?

    The USB port for the Solar Stash runs through a zippered pocket keeping your phone out of direct sunlight and protected from the elements. This pocket also has tapped, water resistant seams, allowing you to safely leave your device unattended while it charges.

  • Is the WP2400 water proof?

    The WP2400 can stay 3 feet under water for 30 minutes.

Solar Stash logo

Solar Stash is a Power Practical™ Product. ©2012 Power Practical All Rights Reserved

Super Top Secret logo

Site Donated by Super Top Secret www.wearetopsecret.com

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Contact Us

If you have any questions, comments or concerns about this Policy or about our privacy practices, please contact us using the online form or mail us at the following address:

Power Practical
244 W 300 N Ste 210
Salt Lake City, Utah 84103

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