1-2 of 2 Answers
Thank you for your inquiry. The BE500U would take a RBC2 so unfortunately this battery would not work.
Sorry, there was a problem. Please try again later.Appears BE500U takes a RBC#2. See APC website: https://www.apc.com/shop/us/en/products/Back-UPS-ES-500/P-BE500U?isCurrentSite=true
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