Suggestion needed for UPS/Inverter battery

[nac]

We have 600VA digital home UPS with 50AH tubular battery. Now looking for higher rated (150AH) battery. I have asked for quotation (ranging from 12k to 17.5k - non-tubular and tubular) from several brand distributors now I am little confused with which one I should pick up...

Amaron
Microtek
Exide
SF Exide
Luminous

Am I good to go with the best price deal? as all are branded and comes with warranty...

And I have a doubt... Can 600VA take 150AH?

 

[nac]

No suggestions...

Okie... I consider the brands which are already suggested in other posts...

But about the doubt... Can you guys tell me Can 600VA take 150AH?