tony sayer writes:

In article o.uk, Dave
Liquorice scribeth thus
Power cut this afternoon about 1700, text from DNO saying High
Voltage fault off until 2030. Drag out generator, battery utterly
flat. Pull started the (diesel) generator and power came back about
1900. Even after that couple of hours the battery didn't have enough
umph to engage with the starter ring. It sits at about 11.5 V, one
end cell looks a bit low one electrolyte and the case at that end is
slighly bulging. Battery is kept on genset in the unheated garage so
may well have got frozen. Perhaps not last winter but in 9/10 or
10/11 it got below -10 C without much trouble.

Time to change it. A good battery should be able to turn the engine over
after a couple of hours of charge.

How do car batteries get on in cold countries being outside all the
time;-?.

In Winnipeg car parks for employees, customers, etc. were often fitted
with sockets on poles into which you could plug your car's block heater
so that the engine remained well above freezing. Which also made it
easier to start.
Of course that was before all the disasters the West has suffered.
Don't know about nowadays.


--
Windmill, Use t m i l l
J.R.R. Tolkien:- @ S c o t s h o m e . c o m
All that is gold does not glister / Not all who wander are lost