I have a dell inspiron 8000 laptop. the battery only lasts 35mins. it has a
li-on 8 cell battery which should last about 2-3 hours. the battery has a built in tester . when u press it all 5 leds light up. that indicates the battery is o.k .
.therefore is it the battery or is the laptop draining the battery . any advice or help would be gratefully rcieved.: