Changed the battery in my '71 today. Old one no longer holding charge for long so ordered a replacement from Tayna yesterday at 3:00 pm and had it delivered today at 9:15 am - excellent Tayna service as usual.
Old battery was american side terminal and although I'm not enamoured of side posts in general, since I didn't feel like changing my battery cable terminations, I ordered a side post replacement. Both old and new batteries are Enduroline which are Tayna's 'own' brand but I chose a replacement that is slightly longer and has a higher CCA of 740 A as opposed to 510 A and a C20 capacity of 74 Ah instead of 60 Ah.
When it arrived I was surprised to see that the new battery while side terminal connection, also had top 'cone' terminals as well....
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I'd fitted the old battery with a screw type isolator.....
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...to make isolating the battery easier when working on the electrics. In practise using it was only slightly easier than disconnecting a cable and it had been quite unreliable in making a secure connection. Since I now have top terminals as well as side ones I'm reconsidering using these instead since access will be easier and connection to top posts I find simpler and more reliable; isolation when needed can be achieved simply by unclamping the earth lead connector. To avoid re-terminating the battery leads I could use adaptors such as
these....I'll give it some thought.
Still, at the moment my new battery is spinning the engine over very energetically and starting is no longer a 'maybe' ?