On Fri, Mar 13, 2015 at 5:01 AM, Justin Richards wrote: > > > > One of the problems with charging non-rechargeable batteries is interna= l > > gas > > build up, followed by a sudden release (aka explosion). Some batteries = do > > allow a limited, one time recharge. I would use it only as last resort= .. > > > > I wasn't thinking that they would be charging, more a case of halting the= ir > self discharge as much as possible. Perhaps it results in the same thing > and as you say may result in gas buildup. > > But alkaline will charge... just use small charging current (10-20mA) and do not let them to discharge lower than 1.3V... You can go at least 3 times in this way until dropout. Zn batteries usually can be charged a little bit by heating (keep them to see the sun in a warm day). --=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 .