Whats the best battery these days

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Jonathan Kay
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And if you want a straight replacement for the battery which was fitted at the factory the most commonly recommended source is Tayna. And they can be posted in the UK.

Jonathan

Dartmoor7
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The 'best' battery is the one in a car which is used regularly.

I'm on my third (standard) battery in 19 years.

I also recommend Tayna if you need delivery.

Jerry

My Blat-O-Meter   1027 blats 2000-2018     sadly there will be no more

revilla
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Is there enough experience yet to get any reliable estimates of the expected service lives of the various "modern" replacement battery types?

General wisdom on the Internet regarding normal lead-acid car battleries seems to be between four and six years. 

I put a new Banner battery on my car when I bought it and it is now showing the first signs of being on the way out, failing to hold charge for long periods, six years later. Until very recently its done me proud. I've got a Banner on my spare engine test rig which I must have had for five years and that still seems to be going strong. I don't consider that bad going, so I'll be going for another Banner from Tayna this time around.

Just interested to know what other peoples' expectations are when it comes to battery longevity? 

SV VVC 170 - 170.4 bhp @ 7100 rpm - 142.4 ft.lb. @ 4900 rpm

Jonathan Kay
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Sooty: Anything to add?

Thanks

Jonathan

John Vine
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Just interested to know what other peoples' expectations are when it comes to battery longevity? 

The Banners in my old 1.8K SS-R lasted about four years on average.  That was with a trickle charger rather than the superior conditioning charger.

In my R400D, the first Banner lasted a good six years (it lived on a conditioning charger), and was replaced only because the car had been off the road at CC for several weeks undergoing chassis work.  The current one has been in for four years and performs strongly.  Again, it lives on a conditioning charger.

JV

 

Sooty
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I use PC545 originally designed as a net ski battery but also on motor bikes. First fitted one in 2003 and replaced after 8 years still going strong - recently tested and still ok. Lots of people use the 680 which is slightly bigger and heavier. Biggest issue is to eliminate parasitic loads

David "Sooty" Sutton - Full blown Carbon Tart

Jonathan Kay
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Thanks, Sooty.

Biggest issue is to eliminate parasitic loads

Andrew Revill showed that these vary considerably. It would be good to measure and reports lots of them to identify common problems.

I think that many are masked by the use of conditioning chargers.

Jonathan

Molecular--Bob
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I have a 7 year old 680 that has sat disconnected for ~3 years due to life getting in the way of my post crash rebuild, but finally have an engine in the car so hooked it up without charging and it happily cranked to get oil pressure for ~ 20 seconds, so I would say they work well if stored with no load. It was back to full charge on the conditioner after ~4 hrs so all good.

Jonathan Kay
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Geoff Brown
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I have owned three Sevens over a period of 25 years & the average life of a Banner, if maintained & looked after properly is about eight years. Well it was for me.

Sadly the first Banner installed in my R400D lasted barely 4 years which I put down to it being a carp battery in the first place.

Now into year 2 of the replacement Banner so fingers crossed.......

If one is anal about weight in general hi tech batteries appear to be HEAVIER than the standard issue Banner??