Originally Posted by
zetecbeast
think I'm going to buy a proper battery tester.
My local motor factors are a right bunch of tw*ts
It would be cheaper just to buy a new battery. Why not just make sure the alternator is charging ?
Simplest method other than going to an autospark. Stick a voltmeter onto it whilst driving. If it ever drops below 13.8v at the battery, I'd be concerned about the alternators ability to charge.