New 2.5A MPPT Solar Charging Control Board Portable Module with 5V/2.1A USB Output for 3.7V Ternary Lithium Batteries

Features:1. Supports 5-18V solar panel input, compatible with 10-30W solar panels2. MPPT algorithm for higher charging efficiency and intelligence3. Onboard USB 5V/2.1A output, input anti reverse connection and anti backflow4. Three input interfaces are available for easy use5. Compact and portable, high brightness LED indicator light, easy to useProduct Parameters:Input interface: DC5.5 * 2.1, Type-C, wiring terminal (note: only one of the three input ports can be connected at the same time, Type C is input and cannot output)Solar panel input: 5V-18VUSB output: 5V/2.1ASupport 10-30W solar panelsSupports 3.7V ternary lithium 18650Input anti reverse connection and anti backflowProduct size: 70mm * 34mmInstructions for use:Supports 5V-18V solar panel inputBefore use, place the solar panel voltage jumper in the corresponding positionThe battery end can only charge 3.7V lithium batteriesWhen connecting the battery, be careful not to connect the positive and negative poles in reverseWhether or not there is a battery protection board, it can be usedAfter pressing the button, the battery level indicator light displays the current battery levelUSB output with discharge protection, turn off USB when battery runs outThe output will not automatically turn on after being charged, and the button needs to be pressedNote:USB output cannot be used without a battery. The battery end must be connected to the battery USB for stable output.It cannot work without a short-circuit cap, but it can be charged using USB when plugged into 6V.Long term use requires attention to heat dissipation.Product List: moduleX 1