well, using lower amps will decrease backup tym. dont know lang how much provided u will be 8A instead of the rated 9Amps. much ok unta if it was a bit bigger. but then u just nid enough time to shutdown your comp properly right?
same mi ug ups..dn gagmay ra jud na 2 x 6v na batt ang masigo sa ups..nipis mn gd na pataas ang porma