Buy products related to single outlet battery backup products and see what customers. Purchased this Surge Protector for additional computer appliances, I own already 3. Smaller VA units are good for drop outs and flickers, but not for that.
Amazon.com: APC Back-UPS 350VA UPS Battery Backup & Surge Protector. Small UPS with guaranteed protection and battery backup; When the power goes
Offering eight standard outlets and battery backup, this CyberPower Systems. than the APC, and is rated the same to similar units, but it has a small battery.