550 VA · Standby vs Line-Interactive Desktop UPS A60-550 vs Tripp Lite AVR550U The key difference here is topology. The Tripp Lite AVR550U is line-interactive with automatic voltage regulation (AVR), correcting sustained sags and swells without switching to battery; the A60-550 is a standby UPS. Where utility voltage is unstable, AVR matters — and within […]
