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How to Remotely Monitor LiFePO4 Cells Via WiFi

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guidecca

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I have (2) Overkill 100A 24v BMS's with Bluetooth and it works great when I'm close to the battery. How can I monitor the cells from my PC desktop or laptop? Is there an off-the-shelf solution available?
 
Victron Smart Shunt + Victron Cerbo GX. Expensive but allows for remote monitoring and control.

Also search the forums for the Raspberry Pi controller.

Or if your BMS has a display at the battery or you have an old phone that you can put your BMS app on and view, then you could set up a WiFi security camera to view the display but there is no BMS or display control, only remote viewing.
 
Wonder if someone has put a DIY "kit" together that controls access to the BMS's? I have great bluetooth access via the Overkill BMS's when I'm next to the battery with my Android phone, just not when I'm in outside of bluetooth range.
 
Overkill sell a USB interface for the BMS and also provide a link to the JBD PC desktop application which will allow you to do everything, if you can get the USB signal to your desktop PC.
 
SeaGal said:
Overkill sell a USB interface for the BMS and also provide a link to the JBD PC desktop application which will allow you to do everything, if you can get the USB signal to your desktop PC.
Click to expand...
And, hook up to Teamviewer or RemotePC and work the controls from your remote computer that's connected to the USB device. That should work.
 
You can use an esp32 or esp8266 to connect to the bms if it has uart. Very straightforward to set up. I have esphome connected to home assistant but you can just get them to act as their own web server so you can look at them anytime you're on your network.

github.com

GitHub - syssi/esphome-jbd-bms: ESPHome component to monitor and control a Xiaoxiang Battery Management System (JBD-BMS) via UART-TTL or BLE

ESPHome component to monitor and control a Xiaoxiang Battery Management System (JBD-BMS) via UART-TTL or BLE - syssi/esphome-jbd-bms
github.com github.com
 
From what I have seen every BMS that has Bluetooth, it is connected to the uart anyway.
I have had the worst luck with ESPhome in home assistant, I can't get any device to stay connected.
 
ShaneC said:
You can use an esp32 or esp8266 to connect to the bms if it has uart. Very straightforward to set up. I have esphome connected to home assistant but you can just get them to act as their own web server so you can look at them anytime you're on your network.
Click to expand...

Do you recommend the ESP32 DEVKIT DOIT board? Not looking for another project or rabbit hole, but a kit and straight-forward solution to monitoring devices would be interesting. The Home Assistant sounds interesting.
 
OK - if you did then I was going to add there is a library that overkill recommend for connecting their BMS to an ESP32 - from there you can program it to do anything.
 
guidecca said:
Do you recommend the ESP32 DEVKIT DOIT board? Not looking for another project or rabbit hole, but a kit and straight-forward solution to monitoring devices would be interesting. The Home Assistant sounds interesting.
Click to expand...
I used the esp8266 nodemcu board. Not sure which esp32 devkit board is best.
 
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