Amazon.com: APC Back-UPS ES Series 550VA UPS, 8-Outlets (BE550G) : Electronics
APC by Schneider Electric BACK-UPS ES - BE850G2-UK - Uninterruptible Power Supply 850VA (8 Outlets, Surge Protected, 2 USB Charging Ports), Black, Pack of 1 : Amazon.co.uk: Computers & Accessories
Fiam Replacement Battery for USV APC Back-UPS ES 550, 12V, Lead Acid : Amazon.se: Electronics
Amazon.com: Smart APC ups USB Console Cable QNAP NAS Cord Compatible for Synology APC 350 ES,550, ES 500,650,APC Back-UPS pro 700, 750 BE500R,3000,NS-1080,1500 XS,NS1250,BR1000G(AP9827 and 940-127B) : Electronics
Amazon.com: APC UPS Battery Backup for Computer, BE550G Surge Protector with Battery Backup, Dataline Protection : Electronics
Amazon.com: Back-UPS ES 650 Battery Backup System, 650VA, 8 Outlets, 365 J, Sold as 1 Each : Electronics