The 1201A-14.8 DC UPS is a small, portable backup battery system designed to maintain power to critical 12V devices during electrical outages. With 14.8Wh of energy storage and a 4000mAh lithium-ion battery, it ensures uninterrupted performance for modems, security cameras, VoIP systems, and other electronics. Built-in safety features protect your devices from overcharging, over-discharging, and short circuits.