I read than unless the UPS is directly connected to the wall the warranty is voided. Why? I'm connecting the UPS through a heavy duty appliance extension cord. Installing a new outlet in the ...

Most Affordable Heavy-Duty: Southwire Heavy Duty 3-Prong Extension Cord Most Compact: Anker USB-C Power Strip Extension Cord Best Light-Duty : Amazon Basics 20-Foot Extension Cord ...