Function: 1. POLYCRYSTALLINE: High-efficiency polycrystalline photovoltaic cells ensure good performance even in low light, and internal diodes prevent electricity leakage at night. 2. WIDE APPLICATION: It is a good choice for motorhomes, boats, sailboats, yachts, trucks, cars, passenger cabins, motorhomes, tents, trailers, golf carts or other curved surfaces with irregular surfaces. 3. HIGH RESISTANCE: Portable solar panels are waterproof and can withstand high wind pressure, snow load and extreme temperatures. 4. DURABLE AND RELIABLE: Polycrystalline solar panels are equipped with multi-layer thin laminates for better cell performance and long service life. 5. USB INTERFACE: Solar charger panel ma USB Type-C interface, 12V 30W with cigarette lighter and can be used as car charger. Specification: Item Type: Solar Panel Material: ABS Power: 30 W (maximum) Operating Voltage: 12 V Current: 0‑800MA Temperature: -40 to 60 Battery Voltage: 12V 24V Auto Charging Current: 30A Discharge Current: 10A Own consumption: < 10MA Operating temperature: -35 to 60 Maximum solar energy input: 12 V battery, up to 23 V Float charging: 13,7 V Charge and reconnect: 13 V Resistance Characteristics: Waterproof Turn on the light voltage: 8V solar panel (light delay) Voltage near light: 8V solar panel (extinguishing delay) Interface: USB (Type C) Applications: camping, hiking, electronics Gadget Type: Solar Panel Function: USB port Subtype: car charger List of packages: 1 x Solar Panel 1 x Battery Clip 1 x Lighter 4 x Solar Panel Attachment Suction Cup 1 x User Manual Read the instructions for use carefully