Whats that red light on the right side of game boy advance SP?

hi i bought game boy advance SP, and i get this red light on the right side of it. what is that red light? why it comes on when i play? sorry if i sound dumb, but i seriously dont know.

Whats that red light on the right side of game boy advance SP?
charge the battery
Reply:It means that the battery is low on energy.Go %26amp; charge it.If it is charging properly then another orange light should turn on.
Reply:its the battery, you have to recharge it until you can see a green light
Reply:I think it means that the bate-
Reply:It means the battery is running low, you need to change them soon. When the light is green it means the batteries are fine.
Reply:It means low battery
Reply:Charge the battery
Reply:It means change/charge the battery.
Reply:its simple its the battery power if its red its low if its Green mean battery full.


best wishes


viraj
Reply:it means low bat and you need to charge it. so just plug in your charger stick it in a plug and continue to play while your charging or just leave it if you find your game boring and you don't want to play it anymore.
Reply:well its not a whore street