On 31 Jul 2005 16:44:31 GMT, Ian Stirling
wrote:


No, they don't.
NiMH cells self-discharge very quickly.
NiCd cells left on the shelf at room temperature for a year will have
a significant amount of charge left.

I seem to recall reading somewhere that a car battery will loose
around 15% of its charge per month if the battery is just left
sitting.

Graham