Features: Provides 40W of power to easily run multiple devices Equipped with a Type-C port for 18W fast charging Operates with an 18V solar panel for quick battery charging 12Ah battery provides long and continuous operating hours Four LED bulbs with separate wires and control switches Withstands temperatures from -10 to 50 degrees Celsius An additional USB port charges your devices with a stable 2A current Automatically disconnects when the battery is low for protection Automatically reconnects when charging reaches a safe level Durable design with ventilation openings to keep the device cool Product Specifications: Brand: Generic Warranty: 1 year Warranty Agent: Dozen Total Power: 40W Discharge Current: 1-1.5A Solar Panel Voltage: 18V Fast Charging Type-C: 18W USB Port Current: 2A Low Voltage Cutoff: 10.5V Restart Voltage: 11.5V Operating Temperature: -10 to 50°C Humidity: Less than 90% Product Contents: 1 x Power System Unit 1 x USB Outputs 1 x Type-C Output 1 x User Manual How to Use: Connect the solar panel to the device Connect the device to be charged Ensure the appropriate voltage Charging starts automatically Disconnect after charging is complete