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Originally Posted by JStrider
a lot of times you can rejuvinate old rechargeable batteries by freezing them...
discharge it fully
put it in a ziploc bag ( i usually use 2 or 3 to be extra safe)
and put it in the freezer for a few days
take it out and let it warm to room temperature
charge fully and then run it down and see how long it lasts
sometimes it works really well... sometimes it doesnt help one bit...
worth a try...
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The better way would be to put it on a cycle test. Automatic chargers do this for you but since laptops don't have automatic chargers you'll have to do it yourself. Discharge it all the way, all at once. Charge it fully. Repeat at least 6 times.