1、Safety Output: High conversion rate solar panels, using smart circuits, dual USB+DC output ports, it can match output stable current, will not damage the charging equipment, can be used in a variety of equipment. Equipped with car charger connector and clip adapter cable, the solar panel can be used as emergency rechargeable battery, suitable for outdoor work or emergency use for traveling vehicles. 2、LCD Display: The controller has a large LCD display, and the charging and discharging parameters are adjustable. With power off memory function, the status and data can be clearly displayed, and the mode and parameter configuration can be easily switched. It is suitable for home, industry, and business. 3、Multiple Protection Functions: The controller's complete 3 stage charging management improves system efficiency and extends battery life. Built in multiple protection functions, over current, short circuit protection, open circuit protection, reverse connection protection, all of which are self recovery and do not damage the controller. 4、Input and Output: The controller has dual USB outputs, the maximum current is up to 25A, supports mobile phone charging, and uses dual for MOS anti backflow circuits. The controller will heat up during operation, please pay attention to install the charge controller in a flat, well ventilated place. 5、Foldable and Portable: Monocrystalline silicon solar panel, PET bottom layer, no glass, it is durable, foldable and lightweight, easy to carry, easy to install and use. 6、Widely Compatible: Intelligent recognition, widely compatible, the USB solar panel can be used to charge mobile phones, mobile power supplies, laptops, tablets, GPS, cameras and other devices. 7、Applicaiton: The solar charger is waterproof and can withstand all weather conditions. It is very suitable for outdoor activities such as camping, mountain climbing, hiking, picnics, and some emergency situations and outdoor work. Item Type: 50W Solar Panel Kit Material: Monocrystalline Silicon + PET Laminated + Plastic Shell Product Color: As Pictures Shown Single Solar Panel Size: Approx. 36x34cm / 14.1x13.4in Controller Size: Approx. 13.3x7x3.2cm / 5.2x2.8x1.3in Product Weight: Approx. 1120g / 39.5oz Solar Panel Chip: Monocrystalline Silicon Power: 50W Current: 2.8A/1.8A Output Interface: Dual USB + DC Conversion Efficiency: 18-20％ Feature: Two solar panels can be connected via DC interface Application: It can be used to charge mobile phones, mobile power supplies, laptops, tablets, GPS, cameras and other devices. Controller Parameters: Controller Current: 100A The Maximum Photovoltaic Input Power of the Controller: 1260W（12V），2520W（24V） Controller Standby Current: ＜10MA Controller Usb Output: Dual USB Output, 5V / 2A（MAX） Controller Working Temperature: -35℃ to 60℃ 1 x Double Solar Panel 1 x Multi Purpose USB Connection Cable 1 x Car Charger Connector 1 x Clip Adapter Cable 8 x Suction Cup 1 x Solar Panel Manual 1 x Solar Charge Controller 1 x Controller Manual