So been having a few issue's with my GG4S and have asked Imeo for help searched the internet and still was experiencing issues with it not firing properly. So I bought some never dull from Canadian tire and cleaned everything then washed the parts with dish soap and a tooth brush worked great for a day then just now took it apart looked at everything again dam its clean what could it be. Well I have electrical Contact cleaner at work so if it is not the
device it must be the battery's the top terminals where great but the bottom terminals where filthy then cleaned my charger terminals charged the bats again and everything is great hope this info helps someone.