APC Replacement Batteries

After a good five years, it looks like my APC SmartUPS 750 batteries have kicked the bucket on two of my servers. I was looking into a cheap alternative than the $200 newegg and apc direct sell for the sua750rm2u batteries and stumbled upon this on amazon: APC RBC22 Replacement Battery Cartridge #22.

There is only one review, which is positive, but they claim that the batteries are not original APC batteries. I am looking to save a couple bucks, so I think I will pull the trigger, I will report back on my findings.

hmmm, on second thought, I am thinking about buying a bigger ups instead of replacing the batteries. this one? APC Smart-UPS SUA1000RM2U 1000VA 120V USB&Serial 2U Rackmount UPS System