UPS & Power Adapters
APC HW 500 W, 750 VA, 50/60 Hz, 220 V, 6ms, SmartSlot, USB, 540 Joules
APC SMT750IC, Line-Interactive, 0.75 kVA, 500 W, Sine, 151 V, 302 V
https://www.bizrate.co.uk/ups_poweradapters/apc-hw-500-w-750-oid29952067142.html