kls1
I had an Odyssey battery installed in my '81 R65 for 6 years before it finally quit, and I could not go back to a standard 'flooded' OEM battery after this .
I don't have any experience with Panasonic batteries, but the Odyssey lasted through 6 Phoenix summers, where a standard OEM battery had the average life of 18-24 months. For about the same cost.
Where exactly on planet earth do you call home ?
The more extreme the environment the better the 'alternate' choice batteries become.
I had no problem mounting the battery leads to the Odyssey it is a little tight, but do-able, but there are adapters available, at least in the US.