Battery University - Analyzer and charger maker offers web version of book about batteries and how to charge them. How Stuff Works: Battery - Illustrated explanation of battery function, types, and chemistry; related links. Good basic introduction to how batteries work. Ancient Inventions - Describes the history and operation of the Baghdad Battery - (about 250 Before Common Era). Hydrogen as a Secondary Fuel - Large color photograph of the Hindenberg burning, with lecture notes on hydrogen for fuel cells. Large print, with an e-mail contact. Telepower Australia - Outside SEI in Japan, Telepower Australia has more experience and technical know-how with VRB than anyone else. Link to bibliography. Multimode Battery Energy Storage System for Custom Power Applications - Technical paper on system at Salt River Project. Integrated Publishing - Collection of US Army documents related to the maintenance and operation of batteries and related equipment. Clean Battery Technologies - Theory, research and development, and market-ready energy storage devices that improve the trend toward clean, renewable energy. Magnesium Battery Patents - Compares Aurbach and Matsushita designs. Battery Technology Comparison - Rechargeable. Compares AA cells, a few larger batteries, and supercapacitors. Battery FAQ - Gel versus sealed lead-acid (SLA), deep cycles, ratings. Why Do Large Battery Packs Fail Early? - Resources for Design. Explains problems in batteries with many cells. Battery Review - Tested small (AA) rechargeable batteries and chargers in a controlled environment. Battery - Article from Wikipedia, the free encyclopedia. Utility Scale Batteries - PESWiki entry from Pure Energy Systems. Includes ideas from readers. Chino Battery Energy Storage Power Plant - Engineer-of-record report. Energy Citations Database entry describes the largest battery in the world. Abstract of 653 page document. Sodium Sulfur and Lithium-Metal-Polymer Batteries Show Commercial Promise - Cites 100kW x 7 hr AEP system. [EERE: News] AEP'S Appalachian Power Unit - Use of commercial-scale energy storage technology. Battery Knowledge Menu - Battery construction and operation topics from Engineers Edge. Europositron Rechargeable Aluminum Batteries - Wiki-style entry at PureEnergySystems site. EuroPositron - Start-up preparing to make aluminum batteries for electric vehicles. "Techniques Compared" graphs characters of different battery types. Battery Education - Discusses battery technology, uses, and technical elements, with a focus on iPods. Lead Acid Battery Technology Comparison - Examines the differences between absorbed glass mat, gel, and flooded lead acid batteries in deep-cycle (marine, and RV) applications. Stanford's Nanowire Battery - Page describes improvement to widely used cell type. Betavoltaic - Provides information about betavoltaic technology, batteries, cells and power solutions. Choosing and Using Nickel-Metal-Hydride (NiMH) Rechargeable Batteries - Provides brief history of rechargeable batteries, characteristics, how to choose and store them, recharge methods, and memory effect information. Breakthrough Battery for Electric Cars? - Toshiba claims new (Lithium Ion) battery can be recharged to 90 percent capacity in under five minutes.