APCRBC43 / RBC43 Compatible Battery Cartridge – 48V 11Ah high-rate sealed lead acid AGM replacement battery cartridge designed for compatible APC Smart-UPS systems that use the RBC43 battery cartridge. Up to 10% Longer Runtime – Built with Raion Power RG126-22HR 12V 5.5Ah high-rate batteries to provide up to 10% longer runtime compared with standard RBC43 cartridges built with 12V 5Ah batteries under similar UPS load conditions. Compatible APC UPS Models – Designed for compatible UPS models including SMT2200RM2U, SMT2200RM2UC, SMT2200RM2UNC, SMT3000RM2U, SMT3000RM2UC, SUA2200RM2U, SUA3000RM2U, SUM1500RMXL2U, SUM3000RMXL2U, and select related RBC43 applications. Additional Compatible References – Also supports compatible models including SUA2200RMi2U, SUA3000RMi2U, SUA3000RMT2U, DLA2200RM2U, DLA3000RM2U, DLA3000RMT2U, DLT3000RM2U, SMT3000RMT2U, SUM1500RMXLi2U, SUM3000RMXLi2U, and SUM48RMXLBP2U. Always verify your UPS model before ordering. Ready-to-Install Replacement Cartridge – Assembled as a plug-and-play style replacement cartridge with batteries, metal tray, wiring harness, fuse, and connectors for compatible RBC43 UPS systems. Compare your original cartridge and UPS model before installation. UL Listed High-Rate Batteries – Built with UL Listed Raion Power high-rate batteries designed for UPS backup applications. Maintenance-free sealed lead acid AGM construction helps deliver dependable standby power in compatible UPS systems. Raion Power APCRBC43 / RBC43 compatible replacement battery cartridge is designed for compatible APC Smart-UPS systems that use the RBC43 battery cartridge. This replacement cartridge is built with 8 Raion Power RG126-22HR 12V 5.5Ah high-rate sealed lead acid AGM batteries. The 48V 11Ah configuration provides up to 10% longer runtime compared with standard RBC43 battery cartridges built with 12V 5Ah batteries under similar UPS load conditions. Your current listing also emphasizes that the cartridge includes new components such as the metal tray, wiring harness, fuse, and batteries. Compatible UPS model references include SMT2200RM2U, SMT2200RM2UC, SMT2200RM2UNC, SMT3000RM2U, SMT3000RM2UC, SUA2200RM2U, SUA3000RM2U, SUM1500RMXL2U, SUM3000RMXL2U, SUA2200RMi2U, SUA3000RMi2U, SUA3000RMT2U, DLA2200RM2U, DLA2200RMT2U, DLA3000RM2U, DLA3000RMT2U, DLT3000RM2U, SMT3000RMT2U, SUM1500RMXLi2U, SUM3000RMXLi2U, SUM48RMXLBP2U, DLA3000RMI2U, SMT2200RMI2U, SMT3000RMI2U, SUA3000R2X180, SMT3000R2X180, SMT2200R2X180, and related RBC43-compatible applications. Always verify your UPS model, original cartridge number, connector setup, and system requirements before ordering. Common search references for this product include RBC43 battery, APCRBC43 replacement battery, RBC43 replacement battery cartridge, APC Smart-UPS RBC43 battery, SMT2200RM2U battery replacement, SMT2200RM2UC battery, SMT3000RM2U battery, SMT3000RM2UC battery, SUA2200RM2U battery, SUA3000RM2U battery, SUM1500RMXL2U battery, and SUM3000RMXL2U battery. This is a compatible replacement battery cartridge and is not manufactured by APC. Before ordering, compare your original battery cartridge number, UPS model number, voltage, physical cartridge style, connector configuration, and installation requirements.