From where I can a better super capacitor with higher voltage?
Darshit, the question is not clear. Are you looking to buy a supercapacitor with higher voltage? Any specifications you'd like to share with us?
Thank you for answering & Yes, I want 48v 5000 Farads supercapcitor. If you have a mentor who can guide me further in the field of Electrical & electronics then it would be really greatful & I will be thankful to you as well .