New battery, why does it still say "no batteries available"?

I have had my MacBook since 2008, and I've been through a few batteries.

However, I spilt a little bit of soda on it about 6 months ago, and since then, my computer hasn't been able to charge my battery. The rest of the computer works just fine, except sometimes it doesn't sleep automatically when I shut it.

One day my battery swelled up a bunch and was making my track pad qwerky so I took it out and today I bought a new battery.

 

I'm just curious why it still says "no batteries available" when I click on the battery icon in the top right.

I assume it's because I spilt soda on it a while back, but does anyone know what I can do to fix this? I don't want to buy a new computer because I can't afford one. Is there a way to force my computer into finding the battery?

 

Thanks!

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