300W UPS Battery Backups

4 300W UPS battery backups from Tripp Lite, APC and CyberPower. Prices run $200 to $269.

Tripp LiteSpec score 8.0

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

$199.99-14%Was: ~~$233.26~~

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

CyberPowerSpec score 8.9

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 8.0

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 8.0

500 VA, 300 Watts, rack, 6 Outlets

+300 watts: the most watts of the 10 here

+6 outlets: only 1 of 6 here have more outlets

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

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

Compare specs

VA	Watts	Form	Outlets	Spec score	Price
500	300	rack	6	8.0	$199.99 as of 11/04/2026 11:08 PST - Details
500	300	rack	6	8.9	$269.95 as of 11/04/2026 05:09 PST - Details
500	300	rack	6	8.0	$259.00 as of 11/04/2026 11:08 PST - Details
500	300	rack	6	8.0	$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.