Review of XY-SEP4 4A Buck-Boost Converter Meter Charger with Display
This video reviews fully the XY-SEP4 Buck-Boost convert module with Display that has Power, Energy, Current, Input/Output Voltage Display. All features are shown and tested. Charging battery is shown.
you will also learn how to charge Lethium Battery using SEP4 module and protect the battery. Maximum Current you can charge is 4A or 35W.
Chapters of this video
01:09 Introduction
04:06 Hardware Explained
18:46 Setting Constant Current
23:19 Input Voltage 30V with 24V, 12V, 5V and 3.3V output
34:33 Input Voltage 24V with 12V, 5V, 3.V output
39:09 Input Voltage 12V with 5V and 3.3V output
41:47 Input Voltage 5V
43:12 How to charge battery
47:56 Two of this SEP4 module died
49:52 Potentiometer Broke
Browser Screenshot Gallery
Click on the images below:
SEP4 is Connected and ready
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SEP4 Test Setup with Input Output Voltage and power
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SEP4 Unders Voltage Protection
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SEP4 Over Current Protection
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SEP4 Over Voltage Protection
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SEP4 Over Power Protection
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SEP4 Over Capacity Cunsomptuion Protection
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SEP4 Screenshot of Effeceiency of one test
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SEP4 Charging Battery
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SEP4: When you see OEP, the module is dead
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SEP4 set Voltage below 5V, module smoked. Has no protection
