This is a brand new replacement battery cartridge #7 (RBC 7, RBC7) for several APC UPS battery back up models. ExcessUPS offers only the highest professional grade replacement battery cartridges that are always fresh stock, never used and definitely not refurbished. These batteries are designed to handle maximum UPS loads with ease, ensuring a generous runtime, long life and guaranteed total protection against power anomalies such as blackouts, brownouts, spikes, sags and surges. This RBC battery pack consists of two 12V, 18Ah batteries. All of our APC RBC replacement batteries include all of the necessary connectors to ensure a safe and easy, plug & play installation. We stand behind the quality of our batteries so greatly; we use them in all of our refurbished APC UPS battery back up units. All of our APC UPS batteries include our ExcessUPS 1-Year Complete Coverage Warranty!