Laptop not charging batteries NC6400

I received this laptop as a Christmas gift this past christmas. I was made aware that it was refurbished.
When I frist charged it Inoticed the battery only charged f\or about 1 hour, before the battery light went out, signaling that the battery was completely charged. 
When I turned my laptop on, it would only stay on for about 1 hour. Then it would need to be charged again. I figrued it was because the battery was only charged for 1 hour, before being turned on, as opposed to the 8-12 hours that are recommended. So I bought a new battery. Again the same issue.  The initial charge only lasts 1 hour. I read somewhere that sometimes laptops don't recognize certain batteries, so they stop charging after a few minutes. So you have to take the battery out, then put it back in to continue charging it. 
I bought a 3rd battery & again it stopped charging after 1 hour. So I took it out then put it back in. the charge light didn't come back on.
So I assume now it's not a battery issue, but more of a laptop issue. 
I was in a chat with someone and they more or less said that I can have someone look at it for $89. Which I am not going to do. 
So any help would be greatly appreciated. (btw the 3rd battery has not been put to use yet. I haven't done anything but charge it.)

Hi:
The battery life varies depending on what you are doing. If you get 45 minutes to 1.5 hours out of it, then you are in the normal range, IMO.
I was never happy with the battery life in my nc6400.
I really like the PC otherwise. There were two things I thought were lacking...battery life and a firewire port.
The 6930p's battery life is somewhat better, but no where near what they advertise it to be.
You can try it. If the battery is no longer charging at all, calibrating it won't help.
There could also be an issue with the charger.
If there is an issue with the motherboard, it probably came about during your possession, since you stated the batteries used to charge for an hour or so.
As I stated above, never, ever has my nc6400 ever charged for more than an hour and a half, and never has the battery lasted for more than a continuous hour + or - of use.
And that is surfing the web and reading e-mails, etc. Not watching DVD's or streaming videos. Then you are definitely looking at the 45 minute range.
Paul

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