APC UPS Battery Backups

4 APC UPS battery backups. Prices run $94 to $520.

APCSpec score 7.9

500 VA, 400 Watts, rack, 4 Outlets

+500VA capacity suits small rack loads

+Lithium-ion battery for longer service life

+Pure sine wave output

$470.99-15%List: ~~$556.99~~

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

APCSpec score 7.1

500 VA, 300 Watts

+Suits home office PCs and Wi-Fi equipment per its name

+Provides compact battery backup for light loads

−Low 300W output limits it to light electronics

$93.99

as of 11/04/2026 05:09 PST - Details

APCSpec score 8.3

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

APCSpec score 7.9

500 VA, 300 Watts, rack

+500VA capacity suits small rack loads

+Pure sine wave output

+1U rackmount form factor saves rack space

No price recorded yet.

APC UPS Battery Backups at a glance

4 of the 509 UPS Battery Backups we list are APC (1%). Half of them cost less than $471; across all UPS Battery Backups, half cost less than $190.

Most listed here: 300 watts (2), rack form (3), Line interactive design (1).

Counts and prices are this site's own listings; prices are the ones shown on the cards.

VA	Watts	Form	Spec score	Price
500	400	rack	7.9	$470.99 as of 11/04/2026 05:06 PST - Details
500	300		7.1	$93.99 as of 11/04/2026 05:09 PST - Details
500	400	rack	8.3	$520.29 as of 11/04/2026 05:06 PST - Details
500	300	rack	7.9	No current price

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