APC Back-UPS Pro 550VA BR550GI Replacement Battery - 100% Compatible
akku-net Ersatzakku für USV APC Power Saving Back-UPS Pro BR550GI, 12V, Lead-Acid: Amazon.de: Computer & Zubehör
Powery Gel Battery For Ups Apc Power Saving Back-ups Pro Br550gi, 12v, 7,2ah/86wh, Lead-acid Battery, Rechargeable, 151mm X 65mm X 94mm, 100% Compatible. New - Battery Accessories & Charger Accessories - AliExpress