nordlead on 16 October 2007
some chargers will overcharge a battery, which can destroy the battery. Also letting the battery fully discharge before charging again extends the lifetime of the battery.
If your charger doesn't have protection for overcharging and leaking, and doesn't drain the battery before charging i would get a new one. I got the pack of 4 batteries with a decent charger for ~$15. I'm thinking about getting one that is capable of 8-12 batteries with all those features, but it can get expensive.
