solar charge controller

12 volt 20 amp pwm solar charge controller manual with 3working mode for streetlight use

Quick Detail:

20a pwm solar panel charge controller

1. LCD display
2. PWM battery charging
3. All necessary protections equipped
4. Working mode of the load can be set

Specification:

1. Load LED indicator flickering: the output of the controller is overload or short-circuit. After removing the redundant load, the controller will eliminate the overload protection within two minutes. 

2. Charging LED indicator off: No connecting of the solar panels. Please check whether the connect is right and firm.  

3. Battery capacity LED indicator off: Please check whether the connection of the solar panels, battery and load is right.

LED Indication Instruction:

Load Working Mode Instruction and Setting:

1. Normal mode: controller is used as PWM charging controller without lighting and timer function. Controller is at this mode without special request.

2. Lighting and timer controlling mode: At this mode, the controller will start the load after darkness and will close the load after setting hours (or sunrise).

3. Lighting control mode: At this mode, when the solar panels voltage is lower than 2.5V (for 24V system, 5V. for 48V system, 10V), controller will start the load after 10 seconds. When the solar panels voltage is higher then 3.5V (for 24V system, 7V. for 48V system, 14V), controller will close the load after 10 seconds.

PWM Technology:

Solar Charger Controller is a system with advanced MOSFET based PWM Technology. The term “charge controller” refers either to a stand-alone device or a control circuitry integrated one within a battery pack, battery-powered solar device or a battery recharger.

The controller is for off-grid solar systems. This protects the battery from getting over charged using the solar module and over discharged by the loads. The charging process has been optimized for long battery life and improved system performance.

The comprehensive self-diagnostics and electronic protection functions prevent damage from installation mistakes or system faults.

Features:

• Excellent EMC design
• Nominal system voltage automatic recognition
• High efficient Series PWM charging, increases battery life and improves the solar system performance
• Use MOSFET as an electronic switch, without any mechanical switch
• Widely used, automatically recognizes day/night

• Graphics dot-matrix LCD screen and HMI (human-machine interface) with 4 buttons, integrated menu display and operation
• Humanized design of browser interface, for convenience of operation
• Full control parameters setting and modification, diversified load control mode
• Gel, Sealed and Flooded battery type options
• Adopt temperature compensation, correction algorithm for charging and discharging parameters automatically and improve battery life
• Electronic protection from overheating, overcharging, over discharging, over load, and short circuit.
• Reverse protection: any combination of solar module and battery