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$17.02

The process is clean, fast, noiseless, and - thanks to Lenmar - easily portable. Here's how it works. Light from the sun hits the solar cells exciting electrons within the cell. Some of them break free, and channeled through a conductive metal stri p to create an electric current. This curren

$49.99

Features and Benefits Delivers a fast, safe and effective charge to a wide variety of battery types and sizes. Optimized for batteries up to 175 Amp Hours. Compatible with a wide variety of battery types: Conventional, Maintenance Free, AGM, Gel Cell, Deep Cycle and Marine. Pro-Logix battery charger

$169.99

Solar path light has a solar cell that converts sunlight into electricity Garden lighting is used to recharge a built-in Ni-Cad battery each day Photo-cell sensor automatically turns on the light at night Light will use all available energy from the battery each night White LED

$44.99

Take a fascinating ride to the year 2030 and catch a glimpse at the futuristic car designs that will redefine automobiles as we know them and the incredible technologies that will make it all happen. Highlighting the new ways that cars will take shape such as engines replaced with wheel motors and s

$24.95

b Portable Powerpack /b br/ br/ XPower Powerpack 1500 is a portable power system that can supply up to 1500 watts of household electricity enough to run almost any electronic product or appliance you might connect to your wall outlet at home. XPower Powerpack 1500 consists of a battery pack that sto

$119.06

On Sale! Regularly $179.00Professional Results Made Easy Technology that keeps up with you! Our QuickStart feature, paired with our nexGen technology, lets you bring your most detailed ideas and plans to life within minutes! Video tutorials walk you through every step of your design with over 100 mi

$135.00

You've Never Created Cities Like These Before! BP and EA have partnered to create SimCity Societies, the city-building game that deals with the causes and consequences of global warming. The game presents options for city power generation through various high- or low-carbon means, making available <

$8.49

An NEC compliant, integrated DC/AC disconnect, standard in the GT Series, eliminates the need for external DC (PV) disconnects, and in some jurisdictions, AC disconnects Large heat-sink offers extraordinary heat dispersion without the need for a cooling fan. Liquid crystal display (LCD) provides ins

$2,000.00

A must-have for hikers and campers features an essential AM/FM/NOAA weather radio, cellphone charger and flashlight..all self-powered by solar energy, hand cranks or batteries. Digital radio tuner NOAA weatherband with alert LED light source Ni-MH battery Connectors with rubber plugs H

$40.00

$40.00

With Profiting from Clean Energy, respected investment analyst Richard Asplund provides an in-depth explanation of the technology and industry structure behind various sectors of this field and in the process identifies more than 150 stocks related to clean energy. Along the way, Asplu

$38.72

Heating water with the sun is almost as old as humankind itself, and it is done all over the world. Yet there are strangely few resources on the topic in North America. Solar Water Heating fills this gap. It reviews the history of solar water and space heating systems from prehistory t

$14.86

Following the success of the popular first edition, this updated and expanded Second Edition details the history, present status, and the future of solar energy in a new, enhanced, user-friendly format. Featuring problem-solving activities, such as spreadsheets, self-assessment questio

$222.99

The capture and use of solar energy has been growing for many years, but only in recent times have advances in design and manufacture allowed us to see the incorporation of solar energy as a significant player in the renewable energy arena. Solar cells are a

$185.62

The cost of operating a building far exceeds the cost of constructing it, and yet until recently little attention was paid to the impact of solar radiation on the costs of heating, cooling and ventilation. And now that there has been a surge in interest in energy efficiency and sola

$84.32

This practical guide describes how to plan, design and install solar electric systems in a manner that is hands-on, graphic and technically complete. Highly illustrated chapters cover: solar energy basics; components of solar electric systems modules, batteries, regulator

$41.32

This ingenious solar flashlight has endless energy No more worries about dead batteries-it fully charges after just a short while in sunlight Its clever built-in compass makes it the perfect outdoor companion. its easy to take anywhere you go

$24.99

xPower Powerpack Solar Clean, Green Portable Power The XPower Powerpack Solar is the first portable power pack that incorporates solar power in a compact, portable power source. Its completely self-renewing, which means the detachable 5-watt solar panel has the ability to

$123.79

Solar Power: The Sun is our greatest source of energy. Without its light and heat, life on Earth would not exist. For centuries, people have used the Suns energy to heat their homes and cook meals. Today, we use the Suns power, called solar power, to make electricity. Lea

$17.55