Features: *MPPT Solar Controller:This voltage stabilizer controller regulates the voltage output from the solar panels to ensure efficient charging. It uses MPPT technology to optimize the power generation and improve overall performance. *Solar Panel Stabilizer:With this controller, you can stabilize the voltage output from your solar panel , keeping voltage fluctuations away that could damage your devices. It provides a steady and reliable power supply for your electronic devices. *DIY Charger:This product is designed for DIY enthusiasts who want to build their own solar charger. It comes with easy-to-follow instructions and all the necessary components to assemble your own charging solution. *Dual USB:Equipped with dual USB ports, this controller allows you to charge two devices simultaneously. You can connect your smartphones, tablets, or other USB-powered devices and enjoy fast and efficient charging. *QC3.0+Type-C PD2.0+DC:This controller supports Quick Charge 3.0, Type-C PD2.0, and DC charging methods. Whether you have devices that support these charging protocols or require DC input, this controller can meet your various charging needs. Specifications: *Part Name:Solar Voltage Controller *Material:Circuit board *Size:About 82*52*16.5 mm *Color:Black * Input DC voltage:12~30V * Output current:up to 3A * Temperature range:-40 +85 Package Content: 1 * Solar Voltage Controller Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.