this post was submitted on 27 Jan 2026
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Retro consoles aren't my thing, but i have replaced batteries for all kinds of devices, and it's usually fairly easy to do. Aliexpress et al. have all the batteries you could want, and a little fiddling with some screw drivers and you cam usually get the job done. Fairly safe with some basic common sense as well.
I really need to replace my 3DS XL battery...
...and PS3 controllers actually. Another fire hazard I've ignored lol.
https://www.ifixit.com/Guide/Nintendo+3DS+XL+Battery+Replacement/25068 - Looks easy, barely needs a guide.
https://www.ifixit.com/Guide/DualShock+3+Battery+Replacement/3255 - Definitely doable, although I will say that you should be careful with game controllers, they are often full of springs that will escape and be a complete pain to find and reinstall.
Nice, thanks for the links.