On 25 Oct 2019 09:29:30 GMT, Tim+ wrote:

snip

Why would I I have a proper battery that does what it should, if yours
doesn't then get it fixed like a normal person would.

Ah but, most folk will only know that they have a “proper” battery if the
car starts in the morning after leaving parking lights on. Who routinely
tests their battery capacity or replaces a battery before it fails?

Quite.

Leaving parking lights on overnight is a gamble that most motorists with
real lifetime experience prefer not to take.

Except for our Den of course as he is on standby for the local
lighthouse. ;-)

The first daughter and b/f knew the battery we weak on the car they
had at the time was when they sat with the ignition / radio on for
some time and it wouldn't start afterwards. The car had been fine in
everyday use up to that point.

A young friend used a 12V vacuum cleaner to clean out the new to him
car, and the card wouldn't start afterwards (flat battery) but again,
had been 'fine' before that.

The kitcar can be left for months without being started and will
typically start first time, but that has a battery isolator so little
chance of any parasitic loads.

Cheers, T i m