ST-C1220 12V 20A Price Smart Solar Power System Panel Charge Controller With Two Interfaces

New Feature
1. Clock timing function
2. Built-in two 5V 1A USB interfaces
3. Ultra Low Power Consumption
4. Built-in IR self-learning infrared remote control to control the DC loads
5. Direct liquid crystal display(LCD)
6. Adjustable charging voltage(Low:14.2V,Default:14.5V,High:15.2V)
7. Light control mode,Time control mode
8. Reverse protection,short circuit protection
9. Designed for 12V/24V solar power system
10. Hanging style design makes it convenient to install
11. Available in 10A/20A/30A
12. Simple options,automatic memory retention of users' settings
13. Convenient charging voltage switching,save complex Menu settings,automatic memory user settings
14. Built-in charging current limiting protection,without having to worry about solar panels power up too much damage control and battery system.
15. All kinds of complete protection,stable and reliable(charging over voltage/charging flow/over-current/load short circuit and under-voltage protection)

Working Mode

There are several common working mode of pwm solar controller:
1. Button Mode (Manual switching load)
2. Light Controlled Mode (Load switch is controlled by solar panels 
photosensitive control and timing control)
3. Light control turn on delay off mode.
4. Circulation model (With Clock Fuction)
5. 0-24 hours optical mode,switch,wireless remote control mode,etc load mode optional