Answer Posted / prajwal

Well, I definitely wouldn't recommend anyone to do anything to increase their battery backup other than that is provided by the ups. Also there is one possibility that can be done. Connecting two 12v 7.5Ah batteries increase the current in the circuit but keeps the voltage same(one of the most important thing when working with batteries).And Ah of a battery is Amperes per hour,which means that a 7.5 Ah battery can provibe upto 7.5 amps of DC current depending on the load. I recommend this only if your load requires more power than the ups supplies l,keeping in mind that the ups is also able to produce the required power.

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