IEEE Std 1561 -2007 IEEE Guide for Optimizing the Performance and Life of Lead-Acid Batteries in Remote Hybrid Power Systems IEEE 3 Park Avenue New York, NY 10016-5997, USA 8 May 2008 IEEE Standards Coordinating Committee 21 Sponsored by the IEEE Standards Coordinating Committee 21 on Fuel Cells, Photovoltaics, Dispersed Generation, and Energy Storage 1561 TM Authorized licensed use limited to: University of Science and Technology of China. Downloaded on November 11, 2008 at 09:33 from IEEE Xplore. Restrictions apply.