1、Uninterruptible Power Supply: This mini UPS battery backup is suitable for scenarios of power failure or sudden power outages, providing uninterrupted power to equipment to prevent damage or instability. 2、2 Output Methods: Supports 5V 9V 12V DC with adapter output (faster) or 5V 2A USB output (slower). Built in 20000mAh 74Wh battery with standard USB port, can also be served as a regular power bank. 3、Input and Output: The input voltage is 19V 6A (maximum), supporting 5V 2A, 9V 6A, 12V 6A DC output, 5V 2A USB output, supporting any current below 6A, supporting DC2, DC3, DC4 power sharing (manual open). 4、Multiple Guards: This uninterruptible power supply features short circuit guard, voltage fluctuation guard, overcharge guard, overdischarge guard, and temperature guard, ensuring secure and reliable use. 5、Wide Application: This mini UPS is compatible with routers, modems, security cameras, smartphones, fax machines, fingerprint recorders, DSL, etc., allowing you to still use the network during power outages. Item Type: Uninterruptible Power Supply Material: ABS Battery: 1 x 3.7V Polymer Battery, 20000mAh (pure battery) Input Voltage: 19V 6A (Maximum) DC 1 Output: 5V 2A (Maximum) DC 2 Output: 9V 6A (Maximum), 6A need manual adjustment DC 3 Output: 12V 6A (Maximum), 6A need manual adjustment DC 4 Output: 12V 6A (Maximum), 6A need manual adjustment USB Output: 5V 2A (Maximum) Rated Power: 114W Power Sharing: Support DC2, DC3, DC4 power sharing (need manual open) Application: For fingerprint attendance machine, security monitoring system, access control system, camera, camcorder, portable DVD player, etc. 1 x Power Supply 1 x Adapter 1 x Supply Cord 4 x DC5521 to 5521 Connecting Cable 2 x DC5521 Female to 5525 Male Adapter 1 x User Manual