UPS Battery Backups under $100

2 UPS battery backups under $100 from Alomejor, CyberPower, Domary and more. Prices run $73 to $81.

VertivSpec score 8.8

500 VA, 305 Watts, 6 Outlets

+Shutdown software: only 12 of 195 here have one

+305 watts: 7 of the 12 here have fewer watts

−6 outlets: 4 of the 7 here have more outlets

$81.99-9%Was: ~~$89.99~~

as of 11/04/2026 05:10 PST - Details

Tripp LiteSpec score 9.3

900 VA, 480 Watts, 6 Outlets

+900VA capacity with 480W real power

+Six outlets for desktop equipment

+Automatic shutdown feature included

−Lower wattage than rack-mount UPS units

$72.99

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

Compare specs

UPS battery backup	Spec score	Price
	8.8	$81.99 as of 11/04/2026 05:10 PST - Details
	9.3	$72.99 as of 11/04/2026 05:09 PST - Details

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