In article ,
Robin wrote:
On 22/06/2020 11:15, Dave Plowman (News) wrote:
In article ,
newshound wrote:
There's also a new 'breed' of batteries becoming available
specifically designed to handle this, I think they're actually called
'stop/start' batteries. Yes, a quick search for 'stop start battery'
brings up loads of hits.

IIRC it was Porsche who had this system first. We had a Polo nearly 30
years ago that had this system, just an ordinary battery, no issue with
battery life. We sold it to a friend's mum when we needed something
bigger, and bought it back ten or more years later as a second car when
they had to give up driving.

Be interesting to know about this 'new breed' of lead acid batteries. Or
is it just ad speak for a larger unit?


AGM seems to be more than a matter of branding, albeit not just for
stop/start: also allow batteries to be fitted where spills would be a risk.

Advanced gas matt batteries pre-date start stop by a considerable time.
And it's not usual to worry about the battery spilling on a car.

Most 'fully wet' batteries are reasonably spill proof anyway these days -
they are sealed and have a vent tube to the outside, rather than vents on
each cell filler as on older batteries.

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Dave Plowman London SW
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