UPS Battery Backups under $100

2 UPS battery backups under $100 from Alomejor, CyberPower, Domary and more. Prices run $78 to $92.

CyberPowerSpec score 8.9

550 VA, 330 Watts, Standby, 8 Outlets

+Compact design suits small desks and travel setups

+Eight outlets for several connected devices

+Automatic shutdown support for safe power-down during outages

−Standby topology rather than online double-conversion

−Only 330W output limits it to light loads

$77.95

as of 11/04/2026 10:08 PST - Details

Tripp LiteSpec score 8.4

550 VA, 300 Watts, 10 Outlets

+Compact 550VA capacity for small desk setups

+300W output for modest electronics loads

+10 outlets for multiple devices

−Lower 300W output limits high-draw equipment

$92.52

as of 11/04/2026 05:08 PST - Details

Compare specs

UPS battery backup	Spec score	Price
	8.9	$77.95 as of 11/04/2026 10:08 PST - Details
	8.4	$92.52 as of 11/04/2026 05:08 PST - Details

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