Restore dependable backup runtime with the genuine APC Replacement Battery Cartridge RBC33. Designed and tested for compatible APC Back-UPS and Smart-UPS SC systems, this sealed lead-acid UPS replacement battery helps renew battery backup performance during power outages, brownouts and unexpected utility interruptions. The cartridge arrives fully assembled with the required connections for a straightforward replacement, helping extend the useful life of the existing uninterruptible power supply. Use it to maintain reliable protection for computers, servers, network switches, storage, point-of-sale equipment and other critical electronics. Genuine APC replacement batteries are engineered for proper fit, safety and UPS performance. Compatible UPS models include BR1500, BX1500, BR1200, SC1000, BT1500; verify the exact model number before ordering.

• GENUINE APC UPS BATTERY REPLACEMENT – For optimal performance, use APC-branded replacement battery cartridges with your APC Smart‑UPS, and check the product you receive to confirm it is APC‑branded
• TESTED AND CERTIFIED RBC CARTRIDGE – Each APC Replacement Battery Cartridge (RBC) is tested and certified for compatibility to restore your APC UPS performance to original factory specifications
• MODEL‑SPECIFIC COMPATIBILITY – RBC33 is compatible with APC UPS models BT1500, BT1500BP, BR1500, BX1500, SC1000, SN1000 (verify compatibility before ordering)
• WHEN TO REPLACE THE UPS – A new battery can fix most runtime issues if the UPS itself is still in good shape. If not, you may not get the expected runtime after installing a new battery, and it may be time to replace the UPS
• BACKED BY APC WARRANTY – Genuine APC replacement batteries are backed by a 2‑year manufacturer warranty