Specification: Item Type: Solar Panel Material: ABS Power: 30W (max) Operating Voltage: 12V Current: 0-800MA Temperature: -40℃ to 60℃ Battery voltage: 12V 24V automatic Charging current: 30A Discharge current: 10A Self-consumption: Operating temperature: -35°C to +60°C Maximum solar input: 12V battery, up to 23V Floating load: 13.7V Charging and reconnecting: 13V Resistance features: waterproof Power light Voltage: 8V solar panel (light delay) Close Light Voltage: 8V Solar Panel (Extinguishing Delay) Interface: USB (Type-C) Applications: camping, hiking, electronics Device Type: Solar Panel Function: USB port Subtype: Car Battery Charger How to use: Read the instructions for use carefully. Package List: 1 x Solar Panel 1 x Battery Clip 1 x Cigarette Lighter 4 x Solar Panel Fixing Suction Cups 1 x user manual