How should I remove rust on the battery terminal?
Hello! I just bought this Game Boy Advance today and noticed that there was rust on the battery terminal. It still works fine, but the power indicator light flickers from green to red, probably because of the poor battery connection. It is only on this one terminal, so I want to try to clean it off. What is the best way to do this without damaging the motherboard? I could also replace the terminal but I would rather keep the OEM one.
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