Yeah, I got bit BAD by Chinese NIMH cells some years back. It turned out = that they were not including as much of a certain catalyst as they should t= o help the H2 and O2 recombine. The result was a spectacular failure that = could occur spontaneously, even with the cells completely removed from the = product and just sitting on the table. -- David VanHorn Lead Hardware Engineer Backcountry Access, Inc. 2820 Wilderness Pl, Unit H Boulder, CO =A080301 USA phone:=A0303-417-1345 =A0x110 email:=A0david.vanhorn@backcountryaccess.com=A0 --=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 .