ESP32-S3-USB-OTG Lithium Ion battery not charging

emartindev
Posts: 2
Joined: Thu Mar 07, 2024 2:23 am

ESP32-S3-USB-OTG Lithium Ion battery not charging

Postby emartindev » Thu Mar 07, 2024 2:35 am

Hello, I am running into an issue where my ESP32-S3-USB-OTG is not charging the lithium ion battery connected. It is powering the ESP32, just not charging. I thought maybe it was my poor soldering but I had another person solder it and still doesn’t work. Perhaps I’m missing something? Faulty device? Do I need to do a hard reset of the device? Would it make a difference that I’m running an arduino sketch vs esp-did?

I have another device where it is confirmed working and charging

Thanks for any help!

ESP_Sprite
Posts: 9052
Joined: Thu Nov 26, 2015 4:08 am

Re: ESP32-S3-USB-OTG Lithium Ion battery not charging

Postby ESP_Sprite » Fri Mar 08, 2024 4:08 am

Do you have SW1 set to 'off'? What's the reason you concluded the battery is not charging?

emartindev
Posts: 2
Joined: Thu Mar 07, 2024 2:23 am

Re: ESP32-S3-USB-OTG Lithium Ion battery not charging

Postby emartindev » Fri Mar 08, 2024 2:10 pm

Hi, yeah I have the Switch set to off.

I concluded it does not charge because of two factors:
1. The Red Light that indicates that it is supposed to be charging does not Light Up at al
2. My arduino sketch which monitors the battery percentage and voltage is indicating it is not going up, or if i leave it plugged in, and check later -- the percentage still does not rise -- only falls.

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