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Features:

1.Fixed turn the lamp current to 0.1 times the value of the constant current (charge when used to identify whether the battery is full);
2. Increased input reverse polarity protection diode;
3. Using dedicated reference IC, and high-precision sampling resistor, so that the constant current is more stable, (20 degrees to 100 degrees, the constant current 1A, when the temperature drift of less than 1%).

Particularly suitable for LED driver

*High-power LED constant current drive
*Lithium battery charger (including ferroelectric)
*4V, 6V, 12V, 14V, 24V battery charger
*Nickel cadmium, nickel metal hydride battery pack charger
*Solar panels and wind turbines

Specifications:

*Module Properties: non-isolated constant current and voltage module
*Rectification: non-synchronous rectification
*Input voltage: 7V-35V
*Output voltage: 1.25V-30V
*Output current: adjustable maximum 3A
*Conversion efficiency: 92% (the highest)
*Switching frequency: 150KHz
*Output ripple: 50mV (max) 20M bandwidth
*Load Regulation: ± 0.5%
*Voltage Regulation: ± 2.5%
*Operating Temperature: -40 ° to +85 °

  
  Battery use:    

* Make sure of the voltage and current of the battery you need to charge
* Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage
* Potentiometer Adjustment Direction: Clockwise (increase), counterclockwise (decrease)

*Use the multimeter in 10A current scale to measure output short-circuit current,
and adjust the current potentiometer to make sure the output current to the expected charging current value

* The charge current of transfer lamp is default 0.1 times of the charging current (constant current value)
* Connected to the battery and try to charging (for previous 5 steps, module input terminal is connected to power source, output load is NOT connected to batteries).

LED Constant Current Driver Use:

* Make sure operating current and Max operating Voltage of the LED you need to drive.
* Adjust the constant voltage potentiometer to make sure the output Voltage is up to LED Max operating Voltage.

 

*Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer.
To make sure the output current to the expected LED operating current.
* Join LED, test (For the above 3 steps, module input terminal is connected to power source,
output load is NOT connected to LED).


The scope of application:
 

Charging for lithium ion batteries: when the lithium ion battery voltage is low.
If use the constant voltage charging directly. Due to pressure is too large, leading to the battery damage.
So from the beginning to use the constant current charging.
When charging to a certain, automatic switch back to the constant voltage charging.

 

Charging curve as shown below: red is current, blue is voltage.
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Exchange or return policy



Every item comes with a 30-day warranty. However, there are certain conditions that apply:

  1. The customer should not be responsible for any self-inflicted damage, such as incorrect power connections (for example, supplying 5V instead of the required 3.3V for a sensor).

  2. The product must be in perfect condition, without any breakage or damage caused by electricity (e.g., short circuits leading to electrical fires).

  3. The store does not accept product exchanges due to customer misunderstandings, such as purchasing the wrong size for their project or buying something without eventually using it. Customers can inquire about the product details and ensure compatibility before making a purchase by contacting us through our Line account @modulemore during business hours. Please note that there may be delays in response between 12:00 PM and 2:00 PM.

Return Policy: To initiate a product return, customers must provide the original receipt or a copy for quick verification. Returns can be sent to our store address by following these guidelines:

  1. Provide a detailed description of the damaged item(s).
  2. Mention any tests or experiments conducted by the customer.

Please note that the store reserves the right to make the final decision regarding product replacement or refund.

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Last updatedSep 6, 2025

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Arduino compatible board, Iot, ESP32, ESP8266, Nodemcu, Raspberry pi, micro:bit and etc.
Mobile number : 0831710868
E-mail : paheyisoicus@gmail.com
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