Hey,
I have a 2year old Numeric 600VA UPS who battery needs to be changed as it doesn't give me any backup. took it to repair guy, he said it needs a battery.
Get an Exide Powersafe battery. Could you post a pic of the type of battery it has? Usually these small ups's use a 7Ah or 9AH battery which is around the 750-1k price tag.
yes just go for any 12volt-7Amps battery. You need not depend on a technician to change the battery.. its pretty easy. Exide or any dependable company batteries cost you about 750 or more but less than 800 rupees