As will all my previous bikes I leave them on an optimate trickle charge when not in use. I took out the SS yesterday for a blast and noticed the battery light was on After about 15 minutes or so the light dimmed to off. I mentioned this when it was in recently for work, It was suggested I change the battery as the wrong one was fitted. The alternator was checked and found to be working well. I’ve left it off charge to the time being. Any clues as to what’s going on? Gremlins or something more sinister?