'-Solar Panel: Advantages: 1.High Efficiency:The efficiency of This solar panel is up to 22.5%,while most of other similar products on the market is around 15% or even less. 2.Intelligently Power:Supply When you're outdoor activities or even in the house,where there’s enough sunlight there’s free limitless power. 3.Compatibility Maximized:Compatible with 12V batteries or devices with 12V battery built in. 4.Rugged Quality:The structure of Solar Panel.Premium materials and circuitry ensure lifetime reliability. 5.Super light weight which ability to travel along with it anywhere:Durable eyeholes for multiple carrying or hanging options and enable easy attachment to your backpack, tent,branch or even trees. 6.Easy to use:We have multiple accessories matched for different usage,only simple connect. 7.Enjoy easy charging for your devices:wherever you are by using unlimited,clean and free solar power. Specification: Type: Solar Panel. Net Weight: 0.45KG. Dimensions: 420x280x2.0mm/ 16.54x11.02x0.08in. 18W No-Load Voltage: 18-23V. DC Load Voltage: 18V. Short-Circuit Current: 1A. Solar Cell Efficiency: 22.5%. Working Temperature: -20°C ~ 65°C/ -4°F ~ 149°F. -Solar Charge Controller: Features: 1. 30A Solar Charge Controller: Build-in industrial micro controller, automatically manage the working of solar panel and battery in a solar system. 2. LCD Display: clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, parameters adjustable. 3. Safe to Use: It has short-circuit protection, open-circuit protection, reverse protection, over-load protection, and fully 3-stage PWM charge management, improve system efficiency and prolong the life span of the battery. 4. Easy to Install and Operate: (1)Battery --->(2)Solar Panel ---> (3) Load. 5. With Timer Function: You can set the on/off and a certain number of hours as you like, without extra worry, it is convenient for your life. Advantage： 1.Wide Compatibility:The solar charger controller with 30A rated discharge current is compatible with 12V or 24V system automatically, suitable for lead-acid batteries: OPEN, AGM, GEL. Dual USB 5V/3A output ports support mobile phones, tablet PCs or other devices that require 5V voltage. 2.Reliable Protection:This solar charge regulator provides over-current protection, short-circuit protection, inverse connection protection, low voltage and overcharge protection, a reliable protector for your devices. 3.Intelligent:Build-in industrial microcontroller for automatical management, memorizing various parameters set by the user and the data won't be lost when the battery runs out. The solar controller will turn off automatically once the voltage is too low. 4.Functional LCD Display:Intuitive LCD display that can clearly indicate the status and data is able to switch modes and parameter configuration, suitable for home, industrial, commercial, etc. 5.Easy to Use:The charge controller should connect the battery first, then the solar panel, and finally the load You can change the settings by the simple one-button operation. Specification: Type: Solar Charge Controller. Battery Voltage: 12V / 24V. Charge Current: 30A. Working Temperature: -35℃ - 60℃ / -90℉ - 140℉. Self consume: 10mA. Float Charge: 13V. USB output: 5V/2.5A.