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Do laptops have system batteries?

Discussion in 'Tech Talk' started by charlisity, Jun 5, 2007.

  1. charlisity

    charlisity is full of it

    Mar 19, 2005
    Eureka, CA
    I was given a dead HP Pavilion N5295 laptop yesterday. I got it working but its regular main battery is dead and it keeps losing bios settings when its unplugged. Do laptops have replaceable system batteries like the desktop 2032?

    Its old, so I could simply leave it plugged in and call it good but if it has a replaceable battery, I'd rather just change it.
  2. HerrGlock

    HerrGlock Scouts Out CLM

    Dec 28, 2000
    Yes they do. Problem is a lot of them are soldered into the mother board.

    If you take the case off, you'll see either the oversized button battery or one of the rectangle batteries. Rectangle would be better, they're just plugged in.

  3. kimigirl


    Mar 11, 2007
    Washington State
    They usually have a CMOS battery. What you need to do is find out where it is. Some laptops you just have to remove a panle, some you have to remove the entire bottom. If they are using a little 3V button cell you should be able to replace it. If they are using one that is soldered in to the mother board, it can be replaced, but I wouldn't try it unless you feel competent with a soldering iron.