Review of XY-SEP4 4A Buck-Boost Converter Meter Charger with Display

Project Video
Project Details

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

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