I remember this as well (I still have mine in fact!). However, I didn’t really care that much considering how much better the Game Boy Advance SP was than all the previous Game Boys. It was the first Game Boy to have a backlit screen, which meant I could finally easily sneak and play on it in the night without alerting my parents (instead of trying to do the same with the much less effective wormlight accessory I had…
>It was the first Game Boy to have a backlit screen, which meant I could finally easily sneak and play on it in the night without alerting my parents Actually, there was another Game Boy with backlit screen released much earlier -- just a few months before the Game Boy Color, though only in Japan. I remember said Game Boy because a friend of mine whose father traveled to Japan had brought one such Game Boy back with…
Also realized I made another error too: the original Game Boy Advance didn’t include an AC adapter; in fact the Game Boy Advance itself doesn’t even have a barrel connector on it to plug one in in the first place! I misremembered that the AC adapter that I have lying around for my Game Boy Advance didn’t come with it, but actually came from a third-party accessory my parents had ended up buying for me so they could stop wasting money on alkaline batteries (a controller grip similar to this¹ one that plugged into the battery compartment).
Interestingly enough, Nintendo made such an accessory²³⁴ themselves as well (although without the grip part).
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¹ — http://emu.gbxemu.com/reviews/gba_battery_joypad.html
² — https://www.nintendo.com/consumer/systems/gameboyadvance/hoo...
³ — https://www.amazon.com/dp/B00005B8G0
⁴ — http://ign.com/articles/2001/09/30/game-boy-advance-ac-adapt...