1-10pcs Solar Panel Controller Charger Board Street Light Switch Circuit Board

Features:
1. Use high quality materials, quality is guaranteed
2. PV solar charging and discharging automatic control switch, suitable for a variety of battery voltage
3. Simple and portable to use
4. Charge during the day, turn on the light automatically when it is dark, turn off the light automatically when it is light.
5. Small power controller suitable for solar garden lights, lawn lights, colorful string lights, small street lights, etc.
Functional features:
Charging during the daytime, turn on the light automatically in the evening, turn off the light automatically at dawn, the battery is no voltage that is the output voltage, the circuit relies on the detection of solar panel voltage changes to control the output, without photosensitive components; applicable to a variety of batteries.
Wiring method.
1.B+B-connect lithium battery
2.S+ S-connect to solar panel
3. L+L- connect to output
Wiring order:
1: access to lithium batteries Batteries must be with the corresponding protection plate
2: access to the LED lithium battery is charged at this time the LED lights up
3: access to the solar panel at this time the solar panel light irradiation LED extinguished without light irradiation LED lights up
If you need to shut down at night or transportation storage has been reserved switch interface SW cut to install the switch!
Notes:
1: control board stable work output current can not be greater than 600ma or may cause output protection
2: charging anti-backflow without overcharge and overdischarge protection lithium batteries must be used with the corresponding protection board (cell phone batteries with 3.7v protection, 18650 more than not with. Can not use 3.7v protection plate used in series)
3: pay attention to waterproof and insulation
4: LED lamps and lanterns can not use boost drive
5: Controller battery voltage is the output voltage, unlimited current limiting voltage, 2V3V LED lamp beads can not be used directly, need to step down constant current drive or string current limiting resistor to use, the output current is the maximum operating current non-constant current
Special tips:
1: the output power is the actual power before use, please determine the actual power consumption of the load
2: Direct access to 3Vled may damage the controller or LEDs
3: The battery must be with protection plate battery voltage and solar panel open circuit voltage match
Package list:
Solar control switch circuit board *1

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