Battery difference
Hi
What is the difference between these two batteries
https://dam.cityplumbing.co.uk/private/v1y6q1v/GPID_1500036775_TECH_00.pdf
And
https://www.sunsynk.org/_files/ugd/52fa1b_6ae5575306f24264b5a26819b4700b51.pdf
Second battery design looks different. Are there any technical differences. Which is better
Thanks
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