HEATKEYS

Basic to Advanced Battery Information from Battery University

Trusted everywhere, Duracell provides a wide range of batteries and Smart Power solutions for virtually all of your power needs, including flashlights, portable chargers, and more. Get detailed Duracell battery and power solution product information,...

HowStuffWorks Electronics gives you explanations, reviews, opinions, and prices for popular electronics, iPods, home theaters, and other gadgets.

Batteries for all your portable power needs.

Apple designs and creates iPod and iTunes, Mac laptop and desktop computers, the OS X operating system, and the revolutionary iPhone and iPad.

The Energizer Battery Company site. Find Batteries in all Sizes, Flashlights, supplemental power and other lighting products. Learn the History of the Battery and try a Battery Science Project. Find a career at Energizer.

Rayovac is a world-wide leader when it comes to battery power and value, offering more power for your money. From long-lasting alkaline batteries to advanced green rechargeable technology to the world

ExtremeTech provides deep technical content about new products and technologies. It reaches committed, active technology users, managers, and enthusiasts through detailed reviews, analysis, tutorials, extensive resource links, and interactive, discu...