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You are right! The battery charges so fast with the panel design
This MPPT of 40A costs around 45-50k, not by Sukam, it's from China(Techfine)

One of my subsequent post will be on MPPT...

That's cool, I wrote about solar charge controllers three months ago in this post here.
But if I'm the customer I'd increase my batteries to two and connect both in parallel to get an extended backup :)

I'm gon check the post out
The client has the plan of adding up soon...Thanks brother
It's been nice interacting with you on this..!

Thank you.