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.

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.

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.

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

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

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

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

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

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

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.

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.

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.

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

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

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

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.

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.

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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great item, works well

great item, works well

great item, works well

good product.....

good product.....

good product.....

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

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

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