20A Solar Charge Controller, Solar Panel Charger Controller, Multi-Function Adjustable LCD Display with Dual USB Port Timer

【Dual USB 15A-30A PWM Solar Charge Controller】PWM Automatic management of controller built-in industrial microcontroller, Memory users set various parameters, and the data will not be lost.This PWM Controller is Suitable for Lithium Batteries and All Kinds of Lead-ACIDBatteries (Open, AGM, GEL). 【Multi-function LCD Displays】This controller is 12V/24V 12V/24V automatically adapt,first connect the battery,then connect the solar panels,when you first use it, make sure the battery has enough voltage,so that the controller can recognize the correct battery type. 【Reliable Protection】overvoltage, short circuit, overload, overcharge, over discharge protection function. 【Industrial-grade Master Chip】16AD sampling accuracy, temperature Charging current, discharge current accurate real-time display, power generation at a glance. 【Please Attention】Pls note the connection ways,Connect the battery first,then connect the solar panel(You can't reverse the order).