Solar Panel Regulator Charge Controller USB LCD Display Auto 10A/20A/30A 12V-24V Intelligent Automatic Overload Protectors

solar controller has short-circuit protection, open-circuit protection,reverse protection, over-load protection. Fully 3-stage PWM charge management, improve system efficiency and prolong the life span of the battery.Comes with a display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial etc.The charge controller should connect the battery first, then the solar panel, and finally the load! The disassembly sequence is contrary to the wiring order.