A:AnswerThank you for your interest in our products. The BE550R uses the APCRBC110. Before replacing battery we recommend that you review article below.
Single Phase UPS Basic Life Expectancy - When to consider a new unit over a battery.
https://www.se.com/us/en/faqs/FAQ000265093/
We offer email and chat services through our support site. You may also contact us directly at 800-800-4272 option 4 or visit https://www.se.com/us/en/work/support/ and look for the chat icon available from 8AM-8PM EST.
A:AnswerThank you for your interest in our products. If the exact model of the UPS is BN1080G then the replacement battery would be the APCRBC123. You can confirm the model by checking the small white sticker on the back of the UPS.
A:AnswerThank you for your interest in our products. The RBC2 is rechargeable, however we can only recommend using it our UPSs. It would not have been tested for uses in other setups. I apologize for any inconvenience this causes.
A:AnswerThank you for your interest in our product. I would reach out to your local Best Buy store to see how long it will take to ship to your location.