plumster Posted September 2, 2010 Share Posted September 2, 2010 Hi folks, my battery was pan flat the other morning, fired the car up with jump leads from spare battery & pottered off to work. 45 mins journey I expected some power to have got in to the battery, however, it was still pan flat. Jumped again & measured dc voltage at battery with car running, it was 13.6 Volts DC. Should it be higher? Is 13.6 enough to put some zing into the battery? Car had been sat for about a fortnight, any ideas what could drain the battery that much, no alarm or any of that nonsense fitted. Charged battery up on trickle over night & fired up this morning, also turned over at lunchtime. I have another alternator but don't want to swap unless I have to, cos I'm a lazy git. What do you think? Quote Link to comment Share on other sites More sharing options...
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