How long does the 3ds battery last in AGB_FIRM mode??

Discussion in '3DS - Flashcards & Custom Firmwares' started by NoNAND, Jan 11, 2016.

  1. NoNAND
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    NoNAND GBAtemp Advanced Fan

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    Aug 22, 2015
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    I am playing some firered and would like to know how long does the battery last when playig gba roms. I think it should last more then in DS games right? And why the screen so gray. Is it because it's like the original GBA?