MOBILE DEVICE CHARGER PROPOSAL

Mike, Nicole, and Nick

To come up with a device that uses two alternate sources of energy to charge a

mobile device

OBJECTIVE

NEEDS AND REQUIREMENTS To develop a solution that would be useful in

many situations where a standard wall charger would not be available. (Ex. desert, out at sea)

Combine two different sources of alternative energy

Portable (small/light weight) Easy to use and safe Durable in extreme environments

IDEA #1“SHOE CHARGER”

Utilizes Kinetic and Thermal energy

Kinetic energy From movement inside sole

Thermal Energy change of body temperature

via the feet

IDEA #1“SHOE CHARGER”

Estimated Weight: 1 pound Easy to use. “as easy as putting on a shoe.” Affordable save you money in the long run

Disadvantages Restricted to using only that shoe Selection may be limited

IDEA #2“WINDMILL SOLAR CHARGER”

Utilizes wind energy and solar energy Wind energy taken from the wind Solar energy taken from sun

IDEA #2“WINDMILL SOLAR CHARGER”

Estimated weight: 2 pounds Easy to set up and safe to use Affordable price

Recycled materialsDisadvantages

May end up not sunny and windy at the same time

Can only be used outside Not easily transported

FINAL PROPOSAL“SOLAR CRANK CHARGER”

Utilizes Solar energy and Mechanical energy Solar energy taken from sunlight Mechanical energy taken from when user

turns the hand of the crank

FINAL PROPOSAL“SOLAR CRANK CHARGER”

Device is easy to use and could be folded up and taken anywhere with ease

Hand crank enables the charger to be used indoors as well as out doors

FINAL PROPOSAL“SOLAR CRANK CHARGER”

SIZE AND WEIGHT 29in x 9in (unfolded)

5in x 9in x 1.25in (folded)

1 pound

SOLAR PANEL

Solar Power Output: 4 watt ( 5 V @ 800 mA)

Charging time: 1 to 2 hours

HAND CRANK

Maximum output voltage: DC 6V

Maximum output current: 300 mA

Battery charging time: 1 minute translates into 3-5 minutes of talking time

FINAL PROPOSAL“SOLAR CRANK CHARGER”

HOW IT WORKS

Sun Photoelectric Cells Battery USB Mobile

Device

Crank Coil Magnet Electricity

FINAL PROPOSAL“SOLAR CRANK CHARGER”

Main components are not too expensive and are easily available makes the device available at an affordable price

About $100 Solar Panel

Sells for around $100 Crank

Sells for as low as $5

FINAL PROPOSAL“SOLAR CRANK CHARGER”

WORKS CITED Dynamo Hand Crank USB Cell Phone

Emergency Charger PDA MP3” Ebay. N.p. n.d. Web. 9 Dec. 2012

“Sunlinq 3” Global Solar. N.p. n.d. Web. 9 Dec. 2012