So, I have a modded original GBA (new shell and AGS 101 screen) and right now it's working pretty well. The only problem is that the battery light only stays green for a few minutes before turning red and sometimes even with low bright. I've tried using new rechargeable and normal batteries, cleaning the switch's connections and tightening up You do want to remove the screen. Clean the connector with some isopropyl alcohol and cotton tip applicator. Check the ribbon cable for tears, corrosion or frayed ends. Check the button with a multimeter in ohm mode, to see if you have continuity when on and no continuity when off. It also depends on how dark is dark. 2.7 Ah x 2.8V = 7.6 Wh. (Of course 1.4 and 4 volts are (very generous) nominal values. As the batteries discharge, the voltage drops so consider these best-case estimates.) Last edited by romanaOne , Jan 25, 2020. Funnyplaying ips screen of the GBA advance keeps flickering. So I bought the Funnyplaying ips screen for my GBA AGS 101. After installation in a custom shell the side of the screen had a slight yellow discoloration at the start but with time it disappears. Anyway I close it and leave it for a couple of days without use and when I finally The battery of your Game Boy Advance SP requires a charge every three hours. The battery can be recharged with a standard 120-volt AC wall outlet. The gameboy advance sp has two removable prongs that you can use to plug the charger into your Game Boy Advance. The power light will turn from green to red when the battery is 30% – 20% down. I doubt the battery is working fine, the fact that the charge light goes off after a second is the power controller recognising that the battery isn't accepting a charge. charged battery with another gba and it works fine but wont charge. Huh, okay then. My apologies. I had the same problem with my GBA SP. Recently I've been trying to repair my gba sp since the backlight stopped working. Now upon powering it up, the red and green light will flash for… Advertisement Gba sp light going red to green . GBA power flicker. r/Gameboy • Gameboy Advance Mod. r/Gameboy PnvOwEt.