Update: now matched at Amazon.
Newegg offers the APC Back-UPS 125VA UPS System with USB ports for $19.99 shipped. That’s good for around $10 off the regular price at retailers like Amazon, a match of our previous mention and the best that we can find. Rated 4.1/5 stars.
APC BGE90M UPS features:
- The BGE90 UPS backup battery helps you stay connected to the Internet during power outages
- Ultra efficient small UPS design maximizes runtime for low-power devices such as Amazon Echo and network routers
- 4.5 hours of extended runtime provides instant battery power to your critical electronics when the power goes out
- 3 outlets provide battery backup power and surge protection with convenient USB ports to recharge mobile devices, including tablets, during an outage
- Outlets support 2-prong plugs only. For 3-prong support, consider BGE50ML