How to choose the right solar controller according to the power of the solar panelThe principle of selecting PWM controller is not to exceed the rated power of the controller. Secondly, the voltage of solar panel, PWM controller and battery must match.

This video will show you the installation steps of LDSOLAR controller TD150V seriesSafety tools and protective equipmentInstallWiring and toolsBattery ConnectionSolar Panel ConnectionAccessory ConnectionPower on the controller

This video will show you the installation steps of LDSOLAR controller TD75V seriesSafety tools and protective equipmentInstallWiring and toolsBattery ConnectionSolar Panel ConnectionLoad ConnectionPower on the controller

If you cannot connect Wi Fi, please check as follows1. Confirm that the location permission and location service have been opened2. Confirm that the mobile phone is connected to the 2 4GHz band network3. Confirm that the current Wi-Fi is not a public authentication network4. Confirm that the Wi-Fi name and password meet the requirements5. Confirm that the router does not turn on advanced settings such as name hiding6. The device enters the networking mode7. Confirm that the current network is in good condition8. Number of router connected devices9. Other router settings

LCD no display and processing method

Solar panel over voltage protection phenomenon and solution

Over-temperature protection phenomenon and solution

Over-current protection phenomenon and solutionThis video uses the MPPT series TD2307 controller as an example

Low voltage protection phenomenon and solutions

Over voltage protection phenomenon and solutions

In this video, we introduce the meaning of the TD75V series solar panel charging status indicator in different flashing modes

Why do you need to download iConnect App?How to download iConnect App?How to use iConnect App?