Mine Banner Battery failed the day I was leaving for the tunnel to go to Germany . I replaced it whilst in Germany . My car was 2 years old. The battery had a dead cell .
A bit disappointing when I too had it on a CTEK trickle charger all the time.
I think some cars also have a bigger drain such as Aero range as the REC and other systems power up each time you blink. I now carry an antigravity mini boost pack which got me out of trouble loads of times and it can also charge your phone
A famous Morgan racer once told me. "Every risk you can eliminate makes you more successful"
New Battery and Boost Pack - you then have all bases covered !
Gajet
