A series of "reports" / white papers on LiIon battery design and utilisation Provided by a specific manufacturer but a useful resource. Login details needed and a few relevant questions asked per report. SEEMS benign. http://electronicdesign.com/resource/using-lithium-polymer-batteries-in-portable-devices.aspx?nl=1 http://electronicdesign.com/resource/upgrading-to-li-ion-from-lead-acid.aspx - eBook: Building Battery Arrays with Lithium-Ion Cells - eBooks: Using Lithium Polymer Batteries In Portable Devices - Using Lithium Polymer Batteries in Commercial Devices - Upgrading to Li-ion from Sealed Lead Batteries to Optimize Portable Performance Related Content - eBook: Building Battery Arrays with Lithium-Ion Cells - eBook: Upgrading to Li-ion from Lead Acid - eBooks: Using Lithium Polymer Batteries In Portable Devices - A New Approach to Mobile Product Design That Reduces Development Time - Semiconductor Capacitance-Voltage (C-V) Testing Fundamentals - Upgrading to Li-ion from Sealed Lead Batteries to Optimize Portable Performance - One Powerful Day March 31, 2009 - Using Lithium Polymer Batteries in Commercial Devices -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist