12V 24V Solar Charge Controller USB LCD Temperature Display Solar Panel Voltage Battery Power Light Control Regulator _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Dual USB LCD Display Solar Charge Controller 12V 24V Solar Panel Battery Controller Charger Regulator with Power-off Memory Function _x000D_ Feature: _x000D_ 1. Adopt industrial-grade main control chip. _x000D_ 2. Large-screen LCD display; display of charging and discharging current; query of accumulated power generation and discharge; temperature display; light control + delay control; adjustable charging and discharging parameters; with functions such as power-off memory. _x000D_ 3. Dual USB output, maximum current up to 2.5A, support for iPhone charging. _x000D_ 4. Complete 3-stage charging management _x000D_ 5. Built-in over-current, short-circuit protection, open-circuit protection, reverse connection protection, all of which are self-healing and do not damage the controller. _x000D_ 6. Anti-backflow circuit, ultra-low heat generation _x000D_ _x000D_ Specification: _x000D_ Material: ABS + PC _x000D_ System voltage: 12V24V automatic adaptation _x000D_ Rated charging current (optional): 10A/20A/30A _x000D_ Maximum photovoltaic voltage: 23V for 12V battery; 46V for 24V battery _x000D_ Boost charging voltage: 14.4V _x000D_ Floating voltage: 13.7V (default value, adjustable) _x000D_ Discharge cut-off voltage: 10.7V (default value, adjustable) _x000D_ Discharge recovery voltage: 126V (default value, adjustable) _x000D_ Charging recovery voltage: 13V _x000D_ Light-controlled turn-on threshold Photovoltaic panel: 8V (light-controlled turn-on has a delay) _x000D_ USB output: 2 USB outputs, 5V/2.5A (maximum) _x000D_ Standby current: