http://www.macnn.com/articles/02/10/14/nupowr.pismo/
NUpowr Pismo update increases battery life
updated 02:00 pm EDT, Mon October 14, 2002
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Newer Technology has updated their NUpowr 500MHz G4 processor upgrade cards for PowerBook G3 'Pismo' systems. "The revised upgrade uses the latest low-power PowerPC G4 processor, which not only runs up to 20 degrees Celcius cooler but also extends the usable battery time by an average of 20 minutes." The price is $300.
