> cycles until the ordinary battery inside is dead I don't understand the torch "warranty" - "We guarantee two years of operation, but actually ..... is expected to be more than five years" So what's in a torch, that isn't a battery, that might wear out in 2 years but might last more than 5 ? The LED ? The switch ? The battery ? The Earth ? Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2015.0.6125 / Virus Database: 4409/10546 - Release Date: 08/30/15 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .