Features Good Control: Equipped with this solar panel controller, you will find the charging quicker and more stable. Safe Working: Waterproof, moisture proof and has thunder protection, promising safe and reliable working. Simple Using: Comes with dual USB ports, type C interface, the connection is very convenient and practical. Wide Utility: Highly compatible with various products, including but not limited to phone, computer, etc. Easy to Install: With a light weight and a compact size, the easy installation can be quickly completed. Specification: Item Type: Solar Charger Regulator Applicable Solar Panel Voltage: 18V-30V Applicable Solar Panel Power: 50W-200W Interface: Dual USB interface (QC3.0 fast charging protocol), compatible with all brands of mobile phone fast charging. TPYE C Interface: Built in PD decoy adaptive protocol, 5 voltage outputs (5V, 9V, 12V, 15V, 20V), supports laptop charging (need to be equipped with PD corresponding voltage decoy line). DC Output Port: The same as the voltage output of the solar panel (rechargeable 12V car battery, 12V lithium battery, 12V lithium iron phosphate battery).  Package List:1 x Solar Charger Regulator4 x Screw1 x User Manual Note:1. Please make sure that the positive and negative poles of this product correspond to the load before use.2. If there is no professional technical personnel, please do not try to change the circuit or the use method of product. Package List 1 x Solar Charger Regulator 4 x Screw 1 x User Manual