Wherever you are in the world, mandatory RID is going to be default sooner rather than later. In the UK: we're looking at January 2026. If you want to keep flying: you'll just have to grit your teeth and take it.
I just hope that in all the...
Additional related suggestion to "...buy replacement batteries..."
Keep the best of the old ones, label them 'TEST ONLY - NO FLIGHT' and use them whenever you need to bench test, check and alter settings, or update firmware.