This user- replaceable, hot swappable replacement battery is intended for use with the following APC UPS models: BP1000, BP1000I, SU1000, SU1000INET, SU1000NET, SUA1000, SUA1000I, SUA1000US, SUVS1000. Replacing batteries will lower your overall cost by only having to buy the battery and not replace the entire UPS.APC batteries provide factory-spec performance for your UPS. Off brand batteries may void warranty, may affect UPS voltage regulation, run time, and provide unpredictable results. APC recycles used batteries and almost 100% of the battery lead content is reused, protecting the environment. APC supplies the appropriate instructions for your UPS, along with any needed wires, all connections made with high current gas-tight crimps for high reliability. NOTE: Any RBC that exceeds 150... Less