The APCRBC123-UPC Replacement Battery for APC UPS is a high-quality black battery designed for APC UPS models such as BX1300G and BR1000G. With a voltage compatibility of 12V and a unit quantity of 1, this battery is a reliable and essential component for maintaining your computer or network's power protection. It is also compatible with various APC UPS models, making it a versatile option for different system setups. Additionally, it comes with a California Prop 65 Warning for safety awareness.