12*18650 DC Uninterruptible Power Supply Box Adjustable-Voltage Optical Modem/Router DIY Power Bank Kit 5V 9V and 12V Outputs

Product Features:1. Solder-free, plug-and-play design with a 12-cell 18650 battery compartment for simple and convenient assembly2. Three independent output ports: USB 5V 3A, 9V 1A, and 12–24V adjustable voltage3. DC constant-voltage UPS function, enabling automatic charge and discharge management without manual intervention4. Precisely matches the power requirements of various devices such as optical modems, routers and NAS units5. Subject to rigorous quality control to ensure long-term stable operation and extend service lifeProduct Specifications:Capacity: User-supplied batteries; maximum capacity: 3.7V × 40,000mAh = 148Wh (user-supplied batteries)Output Power: 3 independent output ports: USB 5V 3A, 12–24V adjustable 24W, 9V 1AStepless Voltage Regulation: The 19V port offers continuous, high-precision voltage regulation within the 12–24V range, with a regulation accuracy of 0.1VRegulation Method: High-precision stepless continuous voltage regulation, accuracy 0.1V; once set, the voltage remains constant and does not require readjustment at each power-upBattery type: High-quality 18650 flat-top batteries (not included)Battery cycle life: Please use high-quality batteries (batteries to be supplied by the user)UPS input voltage: 12–13V; 12.7–13V recommended; must not exceed 13VInput adapter power: Input power > (load power + 12W charging power); the higher the power, the more stable the operationCharging power: 10–12WOperating temperature range: –20 to 60°CDC connector standard: DC5.5,2.1mm(positive inside, negative outside)Package contents:UPS unit × 1 (battery not included)DC5521-5525 cable × 1