The Mini UPS 10800mAh POE2188L ensures uninterrupted power for routers, modems, wireless phones, and CCTV systems. Featuring a built-in lithium battery and microprocessor controller, it offers protection against overloads, short circuits, and battery issues. With adjustable output voltage, LED indicators, and a 5V USB charger, this compact unit provides reliable backup and versatile use at home or office.