Battery Tester - 2032 button batteries

Finding the quality of some batteries is a bit hit or miss even with brands like Duracell and thought a battery tester might help make sure it is not my user error.
£4 on Amazon or do I need to get a more pro unit?

https://www.amazon.co.uk/Mercury-600-098-Universal-Analogue-Battery-Blac...

More pro? but all show

https://www.amazon.co.uk/Universal-Battery-Capacity-Resistance-Batteries...

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