I have a Porsche 944S2 or, to be fair, my wife does. But the maintenance
tends to be my province. Note that I don't say "routine maintenance" as
nothing appears to be routine. So far we haven't had a second mortgage
moment with it yet, but fingers are crossed.
So, enough waffle. The battery goes practically flat within a week. I ask
myself, "Is the battery dead/dying or is there a little short circuit
somewhere in the car?"
I suppose I could disconnect the battery, charge it, wait a week and see if
it will start the car, thus answering my own question. BUT, can one test a
battery on the bench and determine its condition? If so, how's it done?? I
have an electrolyte tester (one of those giant syringe/specific gravity
thingies) and a big charger which will charge or start anything short of an
HGV, but I reckon I need more than that.....?
There is no disparity between the cells with the tester before or after
charging...they all read the same., by which I mean that no cell is way out
of line with the rest at any stage.
I don't know how old the battery is. It sits in the boot and is clean and
dry. It looks great, but I'd hazard that it was cheap as it comes from Macro
(a cash and carry version of Wal-Mart?)
Simon.
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