1、25W solar panel kit, used to charge MP3 players, mobile phones, or other controlled devices. 2、The panel can be left out in sunlight and used to charge the device directly, with high conversion efficiency. 3、Apply to automobile, ship, airplane, satellites, space station, outdoor breeding, planting, tourism, solar lamp. 4、With dual femaleUSB ports, you can easily charge device through the USB charging cable. 5、Good output efficiency, low light efficiency, light weight, perfect for climbing, hiking, camping, traveling, etc. Item Type: Solar Panel Kit Material: Monocrystalline Weight: Approx. 1150g / 40.6oz Product Size: Approx. 36x33cm / 14.2x13.0in Controller Product Size: Approx. 13.3x7x3.5cm / 5.2x2.8x1.4in Maximum Power (PMAX): 25W x 2 Open Circuit Voltage (VOC): 20V Maximum Power Voltage (VMPP): 18V Short Circuit Current (ISC): 2.6A Maximum Power Current (IMPP): 2.23A Output: DC18V USB 5V Standard Test Conditions: AM=1.5 Irradiance=1000W/㎡ Temperature=25℃ Controller Parameters: Rated Voltage: 12V 24V Automatic Rated Current: 10A Only Suitable Batteries: For OPEN AGM GEL Feature: Without power storage function Scope of Application: Car batteries, automobiles, RVs, ships, airplanes, satellites, space stations, outdoor breeding, planting, tourism, solar street lights. 2 x Solar Panel 1 x 1-to-10 USB Cable 1 x 1-to-2 Cable 1 x Connecting Cable 8 x Suction Cup 2 x Buckle 1 x Adapter Cable 1 x Battery Clip 1 x Controller 2 x Chinese and English Manual