: AVR (Automatic Voltage Regulation) . It corrects minor power fluctuations (brownouts) without switching to battery, extending battery life.

: Cheaper; fine for basic lamps, monitors, or older electronics.

: Batteries typically die every 3–5 years. Buying a unit that allows you to swap the battery yourself saves money long-term.

: Ensure there are enough "Battery + Surge" outlets for your critical gear. Other outlets may be "Surge Only."

: LCD screen shows real-time wattage use and remaining runtime. 💼 Best for Home Office & General Use CyberPower CP1500PFCLCD

: Aim for a UPS that handles 20-25% more than your max load.