APCRBC157-UPC Replacement Battery Cartridge by UPC Upgrade Parts Company — Fits APC RBC157, SMT1000RM2UC, SMT1000RMI2UC, SMC1500-2U/2UC/2UTW/SMC1500I-2U

APCRBC157-UPC is a drop-in replacement battery cartridge from UPC (Upgrade Parts Company) engineered for APC RBC157 applications. This maintenance-free, sealed lead-acid unit uses a suspended electrolyte design to provide reliable backup power without user maintenance. The RBC assembly ships complete and ready to install — it includes all required connectors, cable, fuses and any metal enclosure when applicable. No assembly is required: the cartridge is plug-and-play and hot-swappable to streamline replacement and minimize UPS downtime. Compatible models: APC RBC157; APC UPS systems SMT1000RM2UC, SMT1000RMI2UC, SMC1500-2U, SMC1500-2UC, SMC1500-2UTW, and SMC1500I-2U. About UPC: For more than 15 years UPC has manufactured high-quality UPS replacement battery cartridges. All UPC products are assembled in the USA and are stocked for prompt availability across the US and Canada. UPC continually expands its lineup through a dedicated new product development process to ensure the replacement cartridge you need is on hand when you need it.