UPS Battery Backups under $300

4 UPS battery backups under $300 from CyberPower, Tripp Lite, APC and more. Prices run $220 to $269.

Tripp LiteSpec score 7.9

500 VA, 300 Watts, rack, Line interactive

+300 W output capacity

+1U rackmountable form factor

+Network connectivity for monitoring

−Low 300 W output for larger equipment

$229.99-21%Was: ~~$289.95~~

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

CyberPowerSpec score 8.1

500 VA, 300 Watts, rack, 6 Outlets

+Pure sine wave output for sensitive electronics

+1U rackmount form factor fits standard server racks

+Compact 500VA capacity for small loads

−Only 300W output limits it to light loads

$269.95

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

Tripp LiteSpec score 7.7

500 VA, 300 Watts, rack, Line interactive

+Compact 1U rack form factor

+500VA capacity for small rack equipment

+Six outlets for multiple devices

−300W output limits higher-draw equipment

$259.00

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

CyberPowerSpec score 7.4

500 VA, 300 Watts, rack, 6 Outlets

−500 va: 19 of the 24 here have a higher va

$219.95-8%List: ~~$239.95~~

as of 11/04/2026 11:07 PST - Details

Compare specs

VA	Watts	Outlets	Spec score	Price
500	300		7.9	$229.99 as of 11/04/2026 11:08 PST - Details
500	300	6	8.1	$269.95 as of 11/04/2026 05:09 PST - Details
500	300	6	7.7	$259.00 as of 11/04/2026 11:08 PST - Details
500	300	6	7.4	$219.95 as of 11/04/2026 11:07 PST - Details

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