PWM Solar Controller Charger 12/24/48V Car WIFI APP Solar Photovoltaic 30/40A

How do I connect our controller? 1. Connect the battery to the controller. It is recommended to add an air switch between the controller and the battery to protect the controller and the battery. When the controller is connected to the battery the LCD screen displays the parameters and then sets the battery type. 2.If you need a DC output to control the load set the output control mode then turn on the DC output disconnector. 3.Connect the PV solar panel to the controller when the PV input voltage is equal to that of the controller Within the charging work area the controller switches to the charging state. 4.It is recommended that the controller add an air switch to the battery solar panel and load to assume a protective function. Details： *Material:ABS *Color:white+black *Size:30/40A: 135*170*70MM (as shown in the picture) *Electric current:30A，40A Package Contents: 1*PWM Solar 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.*