Right now there are 40 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Electronics › Computers & Accessories › Computer Accessories & Peripherals › Uninterruptible Power Supply (UPS). These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: Vertiv, APC, MEAN WELL, GOLDENMATE, Amazon Basics, Casil, CyberPower, waveshare. Every item is a one-off, so the stock moves all day and new deals keep arriving.