Affordable Solar & Wind

D&T AS Level Homework help!?

I have to think of an idea which would help solve a problem in this world - something i can create and not something stupid like a flying car - i have already thought of a solar powered USB Charger that stays on your arm or wrist and have a prototype but i need another and cant think of anything help!

An electronic/digital device which attaches to the phone and provides simple, push button reporting of calls (with associated phone number /originating data) to the donotcall.gov website.

In otherwords, an easy, automated way for those on the donotcall.gov list to report telemarketers' violations.

Mobile Solar USB Power Charger Station (Filmed with Sanyo Xacti CG10)

USB + AA Solar Panel Charger $106.94 USB + AA Solar Panel Charger USB + AA ChargerUltra compact, ultra lightweight and yet very durable, the PowerFlim USB + AA Solar Charger is ideal for everyday use. The USB + AA Solar Charger charges most small USB devices.Proprietary charging circuitry maximizes charge into the batteries. It provides full charge in four hours of full sun, and with a charging light on the side of the enclosure, indicates charging status.Six grommets are built into the charger to allow for secure fastening to a pack or to the ground. Direct integration of the PowerFilm flexible solar panels onto the fabric allows for easy storage into a pocket.Operating Voltage: 3.6Operating Current: 0.4Weight (Ounces): 4.9 (Without batteries)Folded Dimensions: 3.25 x 5.5 x 1.38Unfolded Dimensions: 24 x 5.5

Most Powerful, Versatile And Compatible Solar & Usb Portable Charger. $54.99 MOST POWERFUL, VERSATILE AND COMPATIBLE SOLAR & USB PORTABLE CHARGER.

UltraLast Green ULGSOLAR Solar Charger $20.99 1.2 V DC 5 V DC ULGSOLAR Solar Charger 2 x AA Rechargeable Batteries Mini USB Connector USB Connector Interchangeable USB Cable AA Rechargeable Batteries UltraLast Green Sol Charger - Solar Panel/USB Charger with 2 AA Everday Rechargeables Batteries. Charges AA rechargeable batteries through solar panel or USB connection. Charges electronic devices through USB connection from fully charged batteries. AmperGen Solar Charger ULGSOLAR ULGSOLAR Solar Charger USB UltraLast Green www.ampergen.com

Blackburn FLEA USB + Solar Charger Kit $17.95 Use the sun or your computer to charge your Flea lights with the Blackburn FLEA USB+Solar charger Kit. The solar panel is capable of fully charging the Flea bike light in 5-6 hours of full sun and uses a USB plug you can use to charge other devices. At work, plug the USB charger in to your computer and your front or rear light will be ready for the ride home.

Solar ePower Charger for 4V Batteries $59.99 The Wagan Solar ePanel Solar Charger for 4V Batteries allows you to charge cell phones, USB devices, and recharge 4 AA or AAA rechargeable batteries with the sun. It also provides backup power for your devices with rechargeable batteries. It uses high-efficiency solar cells from Siemens.Provides convenient safe charging for your electronics - it will not overpower your device. Also provides dependable solar cell construction - made of high-efficiency mono-crystalline solar cells embedded in transparent vinyl acetate behind tempered glass.

Universal Hybrid Solar Charger $31 New Page 1   This universal "hybrid" solar charger is powerful enough to charge all of your handheld electronic products whether you're at home or on the move. It works by absorbing power from either the wall socket or direct sunlight, and then storing the energy within its internal battery. Once the battery is full, you can use the charger to power your cell phone, smart phone, iPod, MP3 player, PDA, Bluetooth headset, game player, GPS, or digital camera, making it a powerful all-in-one battery charger. This universal charger is also environmentally friendly and cost-effective. And the design couldn't be simpler, with a fan-blade outlay that achieves maximum solar area when in use. Just spread out the blades, expose them to direct sunlight, and get ready to take your power on the road.   Specifications:    1. The solar charger       Outer dimensions: 65*135*39mm       Weight: 180g       Solar panel output: 180mA  6V       Internal battery: Rechargeable 3.7volt, 1500MAH Lithium Ion       Maximum power consumption: 6W    2. Working parameters       1) The charging time         A.5-7hours is required to fully charge the internal batteries with the attached A/C adapter.         B.10-12 hours is required to fully charge the internal batteries with the sunlight.       2)         A.The attached adapter: AC IN(AC 100-240V  50-60Hz)  DC out (5.0V 500ma)         B.The solar cells: DC6V(No load) 180mA (No load)         C.Working voltage: 5.5V       Working current: 300mA     Instruction manual:    1. Please fully charge the unit via sunlight or adapter before first use.       To check power level, press the checking button. A red indication indicates its power less than 75% charge and a blue indication indicate its power more than 75% charge.    2. To charge the solar charger with the attached adapter: Plug the adapter into a AC socket and plug the other end into the ?IN? port of the Solar charger    3. Keep the open solar charger flat facing the sunlight. Position the solar cells in the direction of the sun.   Notes:   1. Please fully charge the unit prior to first use.   2. Don?t clean the solar charger with solvents of soap or water.   3. Handle it with care.   4. Please confirm the device voltage and the solar charger setting prior to attaching device to be charged.   5. Do not submerge the solar charger in the water.   Product information:  Accessories: 6pcs connectors,1pcs USB cable,1pcs input cable,1pcs adapter  Pa

Solar Charger, Solarflat2-Solar, $18.99 SOLAR CHARGER, SOLARFLAT2-SOLAR,

Solar Charger, Solarflat 15, $86.99 SOLAR CHARGER, SOLARFLAT 15,

RELAUNCH AGGREGATOR MOST POWERFUL#44; VERSATILE AND COMPATIBLE SOLAR USB PORTABLE CHARGER. $76.9 RELAUNCH AGGREGATOR MOST POWERFUL VERSATILE AND COMPATIBLE SOLAR USB PORTABLE CHARGER.MOST POWERFUL VERSATILE AND COMPATIBLE SOLAR USB PORTABLE CHARGER. Manufacturer : RELAUNCH AGGREGATOR UPC : 834452000024

Solar Portable Battery Charger Solar Pwrd On-The-Go Batt Charger $29.99 Solar powered on-the-go battery charger. Easily charges electronic devices while on the go, including iPhone/iPod*, mobile phones, PDAs, portable game systems, MP3 players and more. High-quality rechargeable Lithium-ion battery recharges easily via solar power or computer systems USB port (with included USB charging cable) Extends talk time up to 2 hours, up to 4 hours of video, or up to 20 hours of music Includes adapter tips for use with various Motorola, Samsung, LG, BlackBerry , Palm, Nokia, HTC, and more Compatible with any USB powered portable device *Use iPhone/iPod USB charging cable supplied with iPhone/iPod

LENMAR SOL20 SOLAR POWERPORT ANYWHERE USB BATTERY CHARGER $64.99 5.4V; 2 100 MAH; CHARGES FROM THE SUN TO PROVIDE EMERGENCY CELLULAR PHONE POWER; 1HOUR SOLAR CHARGE PROVIDES ENOUGH ENERGY TO MAKE A 10MIN PHONE CALL; FULLY CHARGING THE POWERPORT WITH USB RETRACTABLE CABLE PROVIDES UP TO 8 HOURS OF INSTANT BACKUP POWER; COMPACT SOLAR POWER PACK WILL CHARGE POWER IPHONES IPODS CELLULAR PHONES GPS GAMING OTHER USB POWERED DEVICE; INCLUDES LIION BATTERY USB RETRACTABLE CABLE CONNECTOR TIP ADAPTERS FOR MICRO USB MINI USB LG SAMSUNG PHONES; LIION BATTERY SOLAR PANEL MAY BE RECHARGED UP TO 500 TIMES; 1YEAR WARRANTY

Solar Power Battery Charger SP3000 $29 It is a great outdoor power supplementary package for digital product.   Solar Charger SP-3000,battery charger, battery pack: - Solar panel: 5V/120mA - AC adapter: 5V/500mA - Output: USB / DC 5.4V/550mA - Build-in Battery capacity: 3000mAh/3.7V -Shell: ABS + PC material -L/W/H: 130mm x 73mm x 20mm -Weight: 145g -Charging time for the battery inside: 1):6-7 hours by using AC/DC adapter. 2):25.5 hours (Theoretic solar charging time, under full sunlight conditions, T=3000mAh/120mA+0.5 (error correction)=25.5 ) -Applicable range: Mobile phone, Digital camera,Iphone,Ipod,PDA,MP3,MP4,PSP etc. - Certification: CE, ROHS. Functions & Features: 1. Light pollution-free lithium-polymer battery with long life inside and mono-crystalline solar panel. 2. Protection: Over current limited; short circuit; over charge; over discharge. 3. Variety charging ways: sunlight; city electricity 100V~240V 50/60Hz, charging and power supplying any time, any place. 4. LED display charging, power and charging status. 5. Power reposition design: protection of over charge, over discharge and short circuit protection automatically restore function. 6.The service life of the batteries is long, and the batteries can be chargeable(500 times)

Samsonite Travel Accessories Mini Solar Charger $22.5 Rechargeable lithium battery built in Charges in 2 hours with USB Charges in 50 hours with solar power in direct sunlight Solar assisted charging – must be charged with USB Lighted charging indicators Sleek design Fits Apple and Micro USB Phones Pull string carry case

Leeds 169022 OptiSol Solar Mobil Charger Black $50.21 Let the sun power your mobile electronics (PDAs digital cameras smart phones). After 34 hours of direct sunlight mobile charger will provide power for approximately 1012 hours. 5.5v solar panel. Includes USB cable 4 connectors and rechargeable battery. Includes 1piece gift box

SOLAR CHARGER 1250 MAH RED $23.99 SOLAR CHARGER 1250 MAH RED

SOLAR CHARGER 1250 MAH SILVER $23.99 SOLAR CHARGER 1250 MAH SILVER

SOLAR CHARGER 3500 MAH SILVER $35.99 SOLAR CHARGER 3500 MAH SILVER

SOLAR CHARGER 3500 MAH BLACK $35.99 SOLAR CHARGER 3500 MAH BLACK

SOLAR CHARGER 1250 MAH BLACK $23.99 SOLAR CHARGER 1250 MAH BLACK

Brunton Solaris i6 Foldable - solar charger $95.99 SOLAR CHARGER, F-SOLARISi6, IPOD

Solar PowerPort SOL20 - solar charger - Li-pol $39.99 Lenmar Solar PowerPort SOL20 - Solar charger Li-pol 2100 mAh

Wagan Solar Power e-Charger $84.95 Use the power of the sun to charge your portable handheld electronics. To charge the built-in lithium battery just open the cover and face it toward the sunlight. It will be fully charged 5-8 hours later, depending on the intensity of the sunlight. The unit also can be recharged in any electrical outlet using the included AC power adapter. Once it is charged you can close it and take it anywhere to power compatible cell phones, MP3 players, iPods, GPS or any portable device with a 9-volt or USB connection. It also has a built-in LED flashlight that's great for emergencies. Includes multiple power adapters.   Features: Charges cell phones and USB devices with sunlight Charges cell phones and USB devices with built in Li-Battery Battery on-board technology Built in LED flashlight Three ways to charge: Solar, Car and AC outlet

Lenmar Solar PowerPort SOL20 - Solar Charger - Li-pol. Each $34.14 Manufacturer: Lenmar. Each. The PowerPort Solar may be recharged directly from the sun in 1-hour to provide enough power for a 5-10 minute mobile phone call. Or fully recharge from any USB port for an additional 8 hours of backup battery power. Product T