APC UPS Battery Backups under $600

3 APC UPS battery backups under $600. Prices run $578 to $599.

APCSpec score 8.5

1500 VA, 900 Watts, tower, Line interactive

+Pure sine wave output for sensitive electronics

+Line interactive design regulates voltage

+Tower form factor for desktop or floor placement

−Lower 900 watt output than most 1500VA units

$578.30-17%List: ~~$696.99~~

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

APCSpec score 8.5

1500 VA, 1000 Watts, Line interactive

+Sine wave output suits sensitive electronics

+Line interactive design regulates voltage without using battery power

+Rated at 1500 VA and 1000 watts

$599.00-16%List: ~~$714.99~~

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

APCSpec score 8.6

1500 VA, 100 Watts, tower, Line interactive

+Sine wave output for sensitive electronics

+8 outlets for multiple devices

+Automatic shutdown support for connected computers

$597.00

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

Compare specs

VA	Watts	Form	Design	Spec score	Price
1500	900	tower	Line interactive	8.5	$578.30 as of 11/04/2026 05:06 PST - Details
1500	1000		Line interactive	8.5	$599.00 as of 11/04/2026 05:06 PST - Details
1500	100	tower	Line interactive	8.6	$597.00 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.