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The Sunforce 50022 5 Watt Solar Battery Trickle Charger gives you another reason to love the sun -- it'll help keep your vehicle's battery charged. Just plug the this helpful 5-watt trickle charger into your vehicle's 12-volt lighter socket and position the panel to pick up the most daylight possible. Or, if you prefer, use the included alligator clips to connect it directly to the battery, so you can keep your lighter socket open for cell phone chargers or other accessories. Regardless of how you hook up the battery charger, you'll never get caught off guard without the juice you need to start your car. You can also use this device to maintain the charge on any 12-volt battery for clean, silent operation of various electronics, such as deer feeders and landscaping pumps. The 50022 features a built-in ultra-bright blue LED charging indicator, and is a great choice for automobiles, recreational vehicles (RV), tractors, all terrain vehicles (ATV), boats, electric fences, telemetry and more, and it is even effective on cloudy days. This trickle charger is made of durable ABS plastic and amorphous solar cells, measures 14 x 0.75 x 13 inches (WxHxD), weighs 4 pounds, and has a maximum temperature range of -40 to 176-degrees Fahrenheit. ....read more

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Solar/wind Max: 1200w, Wind only: 1000w rated, solar panel is not included. ....read more

The author has been providing his own electricity from the sun and the wind for years, and in this book he explains how you can do the same. There are chapters on the various system components required (including inverters and charge controllers), how to put them all together, batteries, grid-connected systems, and there is even a basic electricity primer. Andy has analysed the output of his system for over 10 years, and these real-life figures are included. ....read more