Battery on standy depletes in 20hours!!!HELP!!!

that's the thing...
when i fully charge my nano and turn it on the music will play for about 9 hours!
But if i fully charge it and put it on standby...the battery will completely and with this i mean COMPLETELY discharge in about 20 hours!
every time i turn it on for a second, just to see if it still works the battery meter says it's full...but an hour later, when i turn it on again...all i can see is an icon for low battery!
so i connect it to comp, to recharge it...but it lasts 10 minutes for battery to charge enough, that iPod will start communicating with computer...
and i think the iPod resets every time i connect it to computer, after "stanby depletion"
i hope anyone will be able to help me!
Samo Klavora, Slovenia

Here are a couple of battery links, followed by a quote from a previous thread.
http://www.apple.com/batteries/ipods.html
http://www.ipodbatteryfaq.com/
Most, MOST incidences where people complain that their battery doesn't last very long are simply down to the fact that the meter tells them the battery is low. They haven't actually run out of juice and then they recharge (muttering under their breath). Right now, my meter can show zero, but I can still watch a video for more than an hour. Most of the rest are down to the fact that people fiddle with their iPod, causing it to fill the buffer with another 25 minutes of audio every time they change tracks (That's right - read Apple's docs).
Draining the battery does have one dramatic effect on the battery life, or rather, people's perception of the battery life. The meter becomes more accurate when a full drain/charge cycle occurs. This has everything to do with the meter's self-calibration and nothing to do with the battery itself. People suddenly believe that the battery is lasting longer since the 'extra time' they previously didn't know existed is now included in the slower fall of the bar across the little green symbol at the top of the screen. Draining the battery only needs to be done once in a blue moon.

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