You can actually get 1.5v rechargeable lithiums in AA or AAA size for GBA/GBC or GBP. Google (or other search engines are your friend ;)
They certainly help with those high drain issues after installing various IPS/backlight mods.
Also, you can add more efficient power regulators to power the...
Your audio dumper is amazing! I am working on making an mbc1m type flash multicart as well as mmm01 multicarts. I have some success with mmm01 and if i use reiner zeigler's startup.gb i can get 3 roms/games in 1 mbc1m cart (using the ea0 & ea1 lines to toggle high address lines). However as i...