What's mini dc ups?

According to people’s demand of the internet and electronics become more and more important, we cannt lack of power for many field, for example: WiFi, security, medical device, door access etc. Then a new products which as battery backup come out, it is mini dc ups, it is kind of small and portable

10000 mah mini dc ups with poe & lan function

Mini DC UPS 5V/9V/12V/15V/24V Uninterruptible Power Supply For Wifi Router Modem

What is New Arrive 8800mAh Mini DC UPS for WiFi Router

MiNi DC UPS POE-431P wifi Router and - Livestartechnology

Supply NPS Mini DC UPS 12V/48V Battery Backup Power Supply Wholesale Factory - Foshan Unipower Electronic Co.,Ltd

Smart Mini DC UPS‏‏‎ ‎‏‏‎ ‎‏‏‎Orange Jordan

SKE POE432 Mini DC UPS Output - 17W - White

POE-430P MINI DC UPS - Allitnepal

Smart mini DC UPS