>> Measure across battery terminals ( engine off) :
>>
>> 12.7 Vdc = fully charged battery
>> 12.0 Vdc = pretty flat.
>>
>> Start the engine and re-check the voltage should be around 14.5V certainly any less than
>> 14V and i'd be suspicious.
>>
>> whack the HRW and headlights on voltage shouldn't drop below 14V ish.
>>
>> Those are off the top of my head shouldn't be far out though.
>>
>> As I said before personally I don't think a year old battery should need top-ups
>> either it was a rogue alarm or something is not working properly.
OK, so the readings that I got were:
Engine off = 12.24
Engine running = 14.72
Engine running with headlights plus front and rear heated windows = 14.45
From what SpamCan says above, I reckon it sounds OK (not fully charged, but then it hasn't been run much lately). So, as he mentioned, it perhaps was just a rogue alarm.
I will keep an eye on it, especially if I don't run it for a few days.
Thanks for all the input.
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