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  • 22/12/2018

    I have received the charger today. I haven't tried to connect it yet. The device came with a push button to be installed (soldered) and two resistors, I don't know what for are those two resistors, there is no any place on the board to place a resistor, the only available place is for the switch. It came with a Chinese manual, that I don't understand, but however, I'm sure there is no mention of the two resistors included. I'm not sure about the function of the switch but it might be a discharging function.

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  • 08/10/2019

    Great product, works perfectly in my Game Boy Zero project. Will be buying again.

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  • 21/09/2018

    I tested with 2A with a adjustable dummy load, and works well, not hot, the voltage is not drop down, excellent. +++++++++++++

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  • 31/05/2018

    a clean build on a good quality PCB. it does exactly what the description says and delivers at least 800mA at the output - I didn't test it for higher currents yet. very happy with this one.

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  • 29/01/2019

    Very good product but not perfect for every solution. The PCB quality is perfect and it can handle a good load but i see 2 imperfections that make it unusable for some projects: - When the item is charging the output cannot be turned off. - Disconnecting the input power resets the output for a very short time, but long enough to reset a Raspberry PI

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  • 09/09/2019

    This is a small UPS made using the 2 in one MOdule Converted to lithium battery charging Watch this video fro review https://www.youtube.com/watch?v=Y7k4j-4XTC4 Basic Connections------------------------------------------------------------------------------ : For example VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery Note: The OUT+Port can output an adjustable voltage. Specifications:------------------------------------------------------------------------------------------------- Input voltage: 4.5-8V DC Output voltage: 4.3-27V DC (Continuously adjustable) Charging voltage: 4.2V -5V DC Charging current: Max. 1A Discharging current: Max. 2A ------------------------------------------------------------------------------------------------------------ This UPS circuit can be used to power WiFi Router (12v / 9v) Arduino (5V) By using 18650 lithium-ion battery. this circuit can also be powered with Solar panels for outdoor projects.

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  • 09/07/2019

    受け取った

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  • 30/05/2019

    great item, works well

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  • 12/04/2019

    good product.....

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  • 31/12/2018

    Je recommande ça fonctionne a merveille. Très bon rapport qualité prix.

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