The BTI Replacement Battery RBC32 for APC is a maintenance - free lead - acid battery that provides a steady and constant electric supply to your UPS. Compatible with a wide range of APC UPS models including BR1000, BR800, BR900, BN1050, and more, this battery is engineered for high capacity and low maintenance. With an output voltage of 12 V DC, it guarantees optimal performance and reliability. The RBC32 is designed to fit seamlessly into your existing UPS system, making it an ideal choice for those seeking dependable power solutions.