Hello, I recently had a Pegasus Sky 1 50 cmm from 09/2000. That’s the “Ugly Model” with the double cannon. Unfortunately, the battery is quite weak, even charging with the charger brings little success. I don’t have a manual anymore, so I can’t look up the technical data. It’s a 4Ah gel battery. Standard should also have been installed by factory ne 4 AH. Which size fits in maximum, and which makes sense? One would like to have enough reserves ha ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t ben’t.