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Voltaic t-shirt $19
“Leading by example”
“Looking Smart and
Doing Your Part”
“Innovative use
of solar energy”
“Keeps portables
going & going”
“Green Gadget
of the Year”
“Top 50 Gadgets”
“The latest bright idea”
“Backpack on steroids”
“This is a lovely bag”
“A stylish and
sustainable solution”
“Would be a great gift”
- Shalom Harlow
“Drool-worthy design”
“Pack To the Future”
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The solar panels are waterproof, scratch resistant, and UV resistant. They use a high efficiency monocrystalline cell.
The three panels operate independently to generate up to 4 watts of power. This is double the power of typical solar chargers and enough to charge most portable consumer electronics (other than laptop computers). See typical charging times listed below.
The substrate is an aluminum / plastic composite, specifically designed to be strong and lightweight. They can easily stand up to typical outdoor use including being dropped and leaned on.
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Flexible Mounting: The panels are mounted in a flexible fabric sleeve. They articulate with the bag, which means it doesn't feel rigid or restrictive.
Even if you manage to break one, which would probably take a conscious effort, they can easily be removed and replaced.
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Single Panel |
3 Panels |
| Panel Dimensions |
3½" x 7½"
184mm x 88mm |
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| Weight |
4 ounces
120 grams |
12 ounces
360 grams |
| Substrate Type |
3mm Aluminum/Plastic |
| Substrate Color |
Silver |
| Cell Type |
Monocrystalline |
| Cell Efficiency |
17% |
| Open Circuit Voltage |
12.5 V |
| Peak Voltage * |
10.2 V |
| Peak Current * |
133 mA |
400 mA |
| Peak Watt † |
1.36 W |
4.08 W |
* Panel output is computed from cell manufacturer's data based on 0% reduction of cell efficiency after packaging of cell strings. Electrical output tolerance +/- 10%
† Under irradiance of 100 mW / sq. cm, spectrum of 1.5 air mass, at 25 degrees Celsius, as per cell manufacturer's specifications. |
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Note: For maximum power output, angle the panels towards the sun. When the panels are in direct sunlight but not angled towards the sun the power declines about 20%. When they are angled away from the sun the power drops off 80-90%. Dirt and scratches on the face of the solar panels will reduce the amount of light hitting the solar cells and reduce the power generated. To clean them use a damp non-abrasive cloth.
| Approximate Charging Times |
| Item |
Hours Direct Sunlight * |
| Voltaic Battery Pack |
8-10 |
| Cell Phone |
4-6 |
| Digital Camera |
4-8 |
| GPS |
4-6 |
| iPod |
5-6 |
| * Charge times may be increased in cloudy weather, high temperatures, or where panels are not angled towards the sun. |
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