So I've started using my C5s now the weather has improved a little.. Dave, my c5 of choice has started doing something quite strange...
Every battery I put in, no matter if fully charged, brand new, or 'flat' does the following:
1. full bars when turn on (expected behaviour)
2. bars drop down very quickly after 5 - 10 minutes
3. after a bit more use, battery dead, starts alarming and generally being 'low power' and I have to flick it on / off for the rest of the journey to carry on.
So the question is.. is this a fault? or is it just simply the batteries didnt have enough charge in them.
What has got me concerned is that one of the batteries were brand new from a shop. And the old batteries had been drop tested and read 12v.
Answers on a postcard...