300w Mppt solar charger ? 20amp 12v/24v [Yt-045]

300w MPPT charge controller 20amp all type battery support
I am using 20a buck converter from amazon its CC CV step down module which can convert higher voltage input like 36 to 40v from solar panel and convert to desire voltage so we can charge any type of battery like lead acid, lithium or so on.
Currently i am charging 12v lead acid battery input voltage 42v 8a and output voltage is 14.4v 20a and working fine.

Question Solved
1. can we charge 12v battery from 24v solar panel
2. can we charge 12v battery from 300w solar panel
3. How MPPT solar charge controller works
4.Can we use buck/step down converter as MPPT charger

Buck/ Step down Converter
300w 20A r https://amzn.to/3i6u8aH
150w 10A https://amzn.to/2XzEwhL

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