Justin Richards gmail.com> writes: > 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. >=20 > Justin >=20 Self-discharge is a chemical reaction, lower temperature will help. "float= " charge is just that - charge. Maybe you can carefully set a bias voltage t= o make the chemical reaction leading to self-discharge to be energetically inefficient and prevent it this way. But you would need to know minute details of battery's chemistry.=20 --=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 .