UPS Battery Backups under $600

2 UPS battery backups under $600 from APC, CyberPower, Tripp Lite and more. Prices run $503 to $520.

Tripp LiteSpec score 8.1

500 VA, 400 Watts, rack, Online

+Online: the highest design of the 9 here

+Lithium battery: only 2 of 19 here have one

−500 va: 12 of the 15 here have a higher va

$503.02

as of 11/04/2026 11:08 PST - Details

APCSpec score 8.5

500 VA, 400 Watts, rack, Line interactive

+500VA capacity suits small rack loads

+Lithium-ion battery for longer service life

+Pure sine wave output

−Line-interactive topology, not double-conversion online

$520.29

as of 11/04/2026 05:06 PST - Details

Compare specs

UPS battery backup	VA	Watts	Form	Spec score	Price
	500	400	rack	8.1	$503.02 as of 11/04/2026 11:08 PST - Details
	500	400	rack	8.5	$520.29 as of 11/04/2026 05:06 PST - Details

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.