Canon AT-1 Shutter won't fire sometimes

Hi. I just got a used Canon AT-1 last month and the issue with it is it sometimes won't shoot. At first I thought it was the battery so I replaced it and it worked fine for a while but now I have to take the battery out and put it in again and play with the on-off switch for a while to get it to shoot for a few pictures, and then it won't shoot again. Also I should say the battery check sometimes shows the battery is charged but other times the needle won't move at all. Same with the old battery that came with the camera, which also only works half the time. Should I try another battery or should I take the camera back to the seller? I live in a small country and this camera cost me a lot of money, so I can't just go and buy another one.

 

Thanks

Get your money back.

 

What was "a lot" of money?

The problem is either the battery contacts in the battery compartment or the wiring from the battery compartment to the rest of the camera. Since you seem to lose power altogether when it doesn't work.