Panel Solar Power
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 MIDWEST SOLAR POOL COVER HEAVY HEATING THERMOTEX BLANKET 18 X 36 3 YR WARRANTY $80.70 Time Remaining: 23d 13h 43m Buy It Now for only: $80.70 |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $7.00 (13 Bids) Time Remaining: 40m |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $7.00 (11 Bids) Time Remaining: 2h 40m |
 2 Set Solar Power Crackle Glass Ball Color Change Garden Yard Decor Stake Light $22.99 Time Remaining: 15d 23h 54m Buy It Now for only: $22.99 |
 Evergreen Decorative Dragonfly Painted Glass Solar Birdfeeder with Metal frame $26.99 Time Remaining: 2h 43m Buy It Now for only: $29.99 |
 6 Pack of Solar Multicolor LED Bubble Lights $69.99 Time Remaining: 29d 5h 17m Buy It Now for only: $69.99 |
 Solar Kingfishers Garden Decoration $14.99 Time Remaining: 3h 33m |
 Set of 10 pcs Home Luminaire Outdoor Garden Pathway Blue Solar LED Light $31.00 (19 Bids) Time Remaining: 3h 47m |
 Solar Power Garden Yard Decor Cardinal Stake Multi color Changing LED Light New $11.49 Time Remaining: 6d 18h 27m Buy It Now for only: $11.49 |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $4.26 (6 Bids) Time Remaining: 4h 40m |
 MIDWEST SOLAR POOL COVER HEAVY HEATING THERMOTEX BLANKET 20 X 40 3 YR WARRANTY $101.95 Time Remaining: 26d 12h 59m Buy It Now for only: $101.95 |
 Solar Power Led Rope light 100 Led Fairy Lights Waterproof Garden Light White $20.99 Time Remaining: 4h 55m |
 Garden Outdoor 22in Torch Solar Light 3046 X4 $16.99 Time Remaining: 5h 32m |
 4x20 Swimming Pool Solar Heating Panel w Coupler Made IN USA $149.00 Time Remaining: 10d 10h 32m Buy It Now for only: $149.00 |
 One Swimming Pool Ball Solar Powered Floating LED Landscape Light Multi Color $20.50 (3 Bids) Time Remaining: 5h 36m |
 MIDWEST SOLAR POOL COVER HEAVY HEATING THERMOTEX BLANKET 16 X 36 3 YR WARRANTY $79.99 Time Remaining: 29d 8h 46m Buy It Now for only: $79.99 |
 New Solar Power 50 LED String Fairy Light Xmas Garden Christmas Party Blue $14.99 Time Remaining: 5h 49m |
 2 SOLAR GARDEN STAKE COLOR CHANGING HUMMINGBIRD LIGHT $9.68 Time Remaining: 5h 55m |
 ANNIN SOLAR LIGHT FOR FLAGPOLES APRIL 2011 MODEL 3 BATTERIES BRIGHTER LIGHTS $68.00 Time Remaining: 23d 16h 9m Buy It Now for only: $68.00 |
 56FT 100 WHITE BUTTERFLY SOLAR STRING FAIRY LIGHT XMAS $24.86 Time Remaining: 5h 55m |
 Panel Repair Kit Pool Solar Panel FREE SHIPPING $12.90 Time Remaining: 20d 5h 38m Buy It Now for only: $12.90 |
 11M 60LED White Solar Powered Green Cable String Lights $9.92 Time Remaining: 6h 26m |
 50LED Solar Powered Green String Light Xmas Garden Deco New Designer $8.99 Time Remaining: 6h 34m |
 Outdoor Yard Sonic Solar Mole Mouse Mice Gopher Rodent Pest Repeller New $12.89 Time Remaining: 15d 8h 4m Buy It Now for only: $12.89 |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $3.25 (5 Bids) Time Remaining: 6h 40m |
 Solar Power 100 LED String Fairy Lights Outdoor Party $15.79 Time Remaining: 18h 26m Buy It Now for only: $15.79 |
 16 Led Solar Power Outdoor Wall Lamp Sound Activated Yard Light Lamp New S030 $21.99 Time Remaining: 6h 40m |
 2pcs 16 Led Solar Power Outdoor Wall Lamp Sound Activated Yard Light Lamp $43.30 Time Remaining: 6h 45m |
 Solar Power Floating LED Light for Pond Pool $9.99 Time Remaining: 1d 7h Buy It Now for only: $9.99 |
 Solar Power Fountain Water Pump Garden Plants Watering $12.50 (14 Bids) Time Remaining: 6h 46m |
 NITE GUARD SOLAR PREDATOR PROTECTION DEER REPELLENT $74.88 Time Remaining: 6d 13h 44m Buy It Now for only: $74.88 |
 Solar Powered Motion Activated LED Security Flood Light eLEDing Pure Digital $72.00 (2 Bids) Time Remaining: 6h 56m |
 Set of 2 Solar Powered LED Green Mosaic Glass Lanterns $39.90 Time Remaining: 7h 5m Buy It Now for only: $43.90 |
 Solar Power Caged Glass Planter Outdoor Garden Decor Path Lighting $34.95 Time Remaining: 29d 4h 43m Buy It Now for only: $34.95 |
 Solar Power Led Rope light 100 Led Fairy Lights Waterproof Garden Light Blue $20.99 Time Remaining: 7h 40m |
 4 x 20 Sungrabber Pool Solar Replacement ING Panels $151.95 Time Remaining: 17d 12h 14m Buy It Now for only: $151.95 |
 New Outdoor Garden 3 LED Solar Spot Flood Landscape LED Lights $9.99 Time Remaining: 7h 54m |
 Set of 2 Stainless Steel Tall Dome Solar Garden Lights $12.31 Time Remaining: 7h 58m |
 New Solar Powered Garden Yard Decor Stake Multi Color Changing LED LightMoon $11.49 Time Remaining: 4d 15h Buy It Now for only: $11.49 |
 Set of 4 Outdoor Solar Powered Garden Lawn Path Lights $8.92 Time Remaining: 7h 58m |
 HQRP Solar Power Crackle Glass Ball Color Changing Garden Yard Decor Stake Light $15.45 Time Remaining: 20d 4h 53m Buy It Now for only: $15.45 |
 11M SOLAR POWER GREEN CABLE PARTY STRING LIGHT Blue $9.91 Time Remaining: 8h 10m |
 Garden Outdoor Hanging Solar Light 2137 d1 X8 $49.99 Time Remaining: 8h 22m |
 Solar Power Fountain Water Pump Garden Plants Watering $12.45 Time Remaining: 11d 11h 37m Buy It Now for only: $12.45 |
 NEW SOLAR LIGHTED FLEXIBLE FLOWERS YARD DECOR $16.99 Time Remaining: 8h 26m |
 4x20 Solar Swimming Pool Heater Add on Panel couplers $147.75 Time Remaining: 18d 4h 9m Buy It Now for only: $147.75 |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $3.25 (3 Bids) Time Remaining: 8h 35m |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $4.00 (3 Bids) Time Remaining: 8h 40m |
 Solar Power Garden Fountain Pond Pool Water Pump Kit $8.59 Time Remaining: 21d 6h 51m Buy It Now for only: $8.59 |
 36FT 11M 60 LED Solar Power White Home Garden Outdoor String Light Waterproof $9.99 Time Remaining: 9h 9m |
 2 x Solar Power Path Deck Post Cap Light Mount Lamp $22.85 Time Remaining: 1d 10h 7m Buy It Now for only: $22.85 |
 New Outdoor powered light Solar Garden Light LED Lawn Lamp Landscape Path 8pcs $16.50 (8 Bids) Time Remaining: 9h 13m |
 New 8x Outdoor Garden Solar 3 LED Spotlight Lamp Floor Landscape Spot Light $44.00 (11 Bids) Time Remaining: 9h 17m |
 Solar Lily Flower Garden Yard Decor Stake Multi Color Changing LED Light New $11.49 Time Remaining: 24d 17h 55m Buy It Now for only: $11.49 |
 23ft Mix Colors LED Solar Powered Lights + Garden Spike $9.98 Time Remaining: 9h 25m |
 Solar Power Flying Color Butterfly Butterflies Garden Yard Decoration 3 PCS Set $9.95 Time Remaining: 3d 22h 30m Buy It Now for only: $9.95 |
 Solar Powered 20 led butterfly leafage string lights $9.99 Time Remaining: 9h 40m |
 77 Solar Powered Decorative Garden Pathway Lamp Post with 4 Ultra Bright LEDs $46.67 Time Remaining: 10h 33m |
 SOLAR MOTION SENSOR DETECTOR SUPER BRIGHT LED SECURITY SPOTLIGHT LIGHT AUTO ON $36.99 Time Remaining: 29d 10h 17m Buy It Now for only: $36.99 |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $3.82 (6 Bids) Time Remaining: 10h 40m |
 2x20 SUNGRABBER Solar Swimming Pool Heater Replacement Panel for Above Ground $79.95 Time Remaining: 28d 18h 44m Buy It Now for only: $79.95 |
 NEW Yard Solar Power Ultrasonic Sonic Mouse Mice Mole Insect Rodent Repeller $0.99 Time Remaining: 10h 46m |
 Vonsolar Garden Outdoor 22in Torch Solar Light 3046 X8 $31.19 Time Remaining: 11h 4m |
 Solar 60 100 LED Fairy Light String For Xmas Party Wedding Garden Decor 6 Colors $19.99 Time Remaining: 19d 23h Buy It Now for only: $19.99 |
 Butterflies Wind Chimes Color Changing Solar Light $8.33 Time Remaining: 11h 14m |
 Patriot Lighting Solar Flag Pole Light Kit 4 Bright LED Adjustable NEW Free Ship $49.99 Time Remaining: 6d 15h 32m Buy It Now for only: $49.99 |
 Solar Powered Rock Shaped Outdoor Garden Path Light $8.49 Time Remaining: 11h 53m |
 German Shephard Dog With Lantern Garden Solar Light $21.49 Time Remaining: 11h 53m |
 Solar Sun Ring Solar Cover For Swimming Pool Heating $17.87 Time Remaining: 25d 3h 40m Buy It Now for only: $17.87 |
 Diving Dolphins Wind Chimes Color Changing Solar Light $8.33 Time Remaining: 11h 54m |
 HQRP Solar Power 3 Butterflies Multi Color Change Garden Yard Decor Stake Light $16.95 Time Remaining: 20d 4h 53m Buy It Now for only: $16.95 |
 Decorative Cherub Solar Landscape Outdoor Path Light $16.67 Time Remaining: 11h 54m |
 New Light Up Solar Powered Frog on Lily Pad Garden Lawn Ornament Light $16.49 Time Remaining: 11h 54m |
 Solar Panel Repair Kit For Sungrabber Solar Panels $12.95 Time Remaining: 12d 9h 17m Buy It Now for only: $12.95 |
 Set of 2 Color Changing Solar Powered Garden Path Light $7.00 Time Remaining: 11h 54m |
 INSTOCK NEWKIDS Boy Girl SET With Solar Fireflies Garden Yard Spring Statue $68.00 Time Remaining: 29d 12h 47m Buy It Now for only: $68.00 |
 Solar Powered 20 led water column air bubble Lights $9.99 Time Remaining: 11h 55m |
 60LED 7M Solar Powered Wedding Party String Lights $9.95 Time Remaining: 11h 56m |
 NEW Solar Power 60 LED String Fairy Light Xmas Garden $12.99 Time Remaining: 6d 23h 11m Buy It Now for only: $12.99 |
 4 Mixed Colors Solar Powered Garden String Lights $9.99 Time Remaining: 11h 57m |
 HQRP Solar Power Butterfly Multi Color Changing Garden Yard Decor Stake Light $12.95 Time Remaining: 20d 4h 58m Buy It Now for only: $12.95 |
 Black Labrador Dog With Lantern Garden Solar Light $17.50 Time Remaining: 12h 13m |
 Yellow Lab Dog With Lantern Outdoor Garden Solar Light $17.50 Time Remaining: 12h 13m |
 Solar Power Red LED Road Path Dock Stair Light $24.99 Time Remaining: 15d 6h 20m Buy It Now for only: $24.99 |
 1 PC Outdoor Garden 3 LED Solar Spot Flood Landscape Light led spotlight lamp $3.58 (6 Bids) Time Remaining: 12h 40m |
DIY: Given a solar panel and an electrical outlet, how do I power a fridge using solar with grid backup?
See http://gregable.com/2007/09/apartment-solar-what-is.html
I want to buy a solar panel and some other device X that will let me smoothly power appliances from X. X will use power from the solar panel first, and then from the grid if there isn't enough. I don't want a battery system due to the costs, if there is too much power from solar, I'll just waste it in this system. What is X that I would need to buy or how would I build X?
Some of the answers so far pointed out that my plan is a bad one for cost reasons. I'm well aware that it isn't going to save me any money. Leather seats in my car don't make it go faster either. Still, I'm interested in playing with the technologies in a bigger way than a little toy car or something. The DIY part is the main interest, not the saving money or environment.
2n2222 is right about the power you could get from the panel not being enough for what you want.
There's also the fact that you need an inverter to convert the DC from the PV cells to AC for the fridge and that everything between the inverter and power point is mains voltage and therefore deadly.
There's also the need to have the grid connection completely shut off during a power outage so that you don't accidentally feed power into the grid while someone is fixing the power lines (otherwise you may end up killing a maintenance worker and getting charged with manslaughter).
