[zot]

I noticed just my panther no longer has the same battery life (in the tank) than my friend's, even with new batteries in the controller.

So here's a few questions...
Do the rechargeable batteries gain a "memory" over repeated uses? If so, is there a way to get rid of it? If not, the batteries will eventually become useless due to a short period in which they remain charged, would there be an easy way to replace them? What kind of batteries are they and where would I get them?

Sean