4-Outlet UPS Battery Backups

2 4-Outlet UPS battery backups from APC, CyberPower and Vertiv. Prices run $90 to $520.

VertivSpec score 7.6

600 VA, 360 Watts, Line interactive, 4 Outlets

+4 outlets: the most outlets of the 8 here

−360 watts: 5 of the 8 here have more watts

$89.99-19%Was: ~~$111.51~~

as of 11/04/2026 05:10 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	Design	Outlets	Spec score	Price
	600	360		Line interactive	4	7.6	$89.99 as of 11/04/2026 05:10 PST - Details
	500	400	rack	Line interactive	4	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.