V G wrote: > I have AA Eneloop batteries (2000 mAh) and an old 4 channel "dumb" > wall charger. The charger outputs 150 mA per channel and has a 15 > hour timer shutoff. It does not monitor battery voltage or anything. > > If the Eneloops are, let's say, half full, and I put them in there > and leave them to charge overnight, or even 15 hours till timer > shutoff, how much damage am I doing to them by overcharging? Surely the proper charging regime is in the datasheet. If you are followin= g it, you're fine. If not, assume you are doing damage. How is this not obvious whether you understand how the batteries work or not? ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .