Mini UPS Battery Backup, 1400mAh Uninterruptible Power Supply,Compact Size Portable Battery Backup with UPS for Security Camera Router LED Light Speaker Outstanding Performance : Exquisitely crafted, this uninterruptible power camera boasts a compact appearance and stable performance. Wide Compatibility : This small UPS battery backupensures power continuity for various devices, including routers, modems, security cameras, smartphones, etc., allowing you to continue browsing even during power outages. Smart Protection System : Equipped with intelligent protection mechanisms, our mini ups battery backup for router provides short circuit protection, voltage fluctuation protection, overcharge and over-discharge protection, and temperature protection, making it safe to use. Specification: Item Type: Mini UPS Material: ABS and PC Battery: 4 x 18-650 Battery, Battery Capacity: 10400mAh(4 x 2600mAh) Adapter: Adapter self matching need to choose with CC/CV function (special adapter for charging lithium batteries), 9V 2A maximum. USB: 5VDC 2A Output Power: 18W maximum Compatible: Compatible with 95% of the market router, optical modem, security monitoring, MP3, MP4 and other digital products charging uninterrupted use How to Use: Operating Instructions: 1. Hold down the power button for 2‑3 seconds to power on the UPS. 2. Full of electricity the UPS before connecting. When connecting DC, the power adapter indicator blinks. It is charging. When charging, the power indicator will indicate battery capacity from 25‑100 percent. 100 percent fully charged. After fully charging, disconnect the DC power adapter. 3. Once the battery backup mode is activated. When the battery run out, the power indicator will be turned off from 100 percent to 25% respectively. When the indicator flash to 25%, it indicate that the battery is low, and you need to press the power button for 2‑3 seconds to turn off the UPS. Package List: 1 x Power Supply 2 x DC Line 1 x User Manual