According to this very blog, I have had my Dell D410 laptop since 17th Oct 2005, just over a year (seems longer). I was playing World of Warcraft on it when suddenly it went into standby after only about 20 minutes from a fresh charge.
Looks like the battery is on it's way to battery heaven. After a full charge, when doing nothing the laptop is reporting 50 minutes estimated running time.
Looked up to see whether the battery was subject to the Dell exploding battery recall but it wasn't on the list so I don't get a free one 
Found a new battery on ebay, looks like someone selling the 9 cell extended battery (80Wh vs 55Wh) for the same price as the going ebay rate for the standard battery. The extended one is a bit bigger, it will stick out the front a bit, but it will be able to run WoW longer.
Waiting for it to arrive. Must look again into options for extending lifespan of lithium ion batterys (no deep discharging etc). I haven't been that brutal with it, I leave it charging in the docking station every night.
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