GBA SP AGS-001 not charging issue


New Member
Jun 29, 2024
Game Boy Advance SP
Hey guys, new to forum. Long story short, found my og gba sp from 2002. Was playing the hell out of it. I found it without a battery, it was like that for 15 years in a box. Hooked a new battery, worked like a charm. Relived some of the Yoshi memories that keep me warm for a night. Battery ran out, plugged into charger and nothing! Not even the well known problem people have where it turns the led on for a second and then on.
Found a tutorial online on retrosix I think, but I am not electronically inclined so it was hard without clear guidance or visual presentation.

I found out that: when I press the EM8 chip, the orange charging led turns on for a second and then turns off. If I don’t press EM8 chip, no let lights at all.

Anybody have a clue? I might be able to do basic soldering as I did manage to IPS upgrade it successfully. (Charging wasn’t working prior to upgrading as well).

Thanks in advance on any clues of what I might have to do to resolve the issue,

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