Batrium BMS - Beginners installation guide @DIYTechRepairs
Batrium BMS - Beginners installation guide  @DIYTechRepairs
Uploaded May 2017 | Updated September 2026, 2 weeks ago
Batrium BMS - Beginners guide
A guide on how to install it on a 3s 18650 Lithium pack.
-- More information below! --


Batrium BMS is created by someone that thinks like I do. Their design is spot on when it comes to how I would have done it if i would go through with the BMS i started.

It consists of a master unit (The Watchmon). Then you add 1 *mon to each cell that you are going to monitor. For a 3s system that will be 3 mons.
In the video today im working with the Watchmon followed by 3 longmons. I also include a shunt for being able to meassure currents flowing in and out and more importantly the state of charge!

I do recomend to watch to the end!

- Links:
Batrium webpage: batrium.com
FAQ and instructions for the system: batrium.com/pages/faq


- Manuals touched today:
How to install the software: batrium.com/pages/how-to-install-the-watchmon-toolkit-software
How to install the Longmons: batrium.com/pages/how-to-connect-the-cellmon-modules-to-the-watchmon
How to install the shunt: batrium.com/pages/how-to-connect-the-shunt-spf102mod-to-the-watchmon

- Sugested readings after this is for instance
How to connect to Wifi: batrium.com/pages/how-to-connect-to-home-wifi-ap

There is alot to learn here and this first video is just one of many that will be done.

I really hope you enjoyed it and in return I ask you to help me!
If you will spread the word of my channel and my work i would appreciate it. Help me grow the channel and do even better content.



Note: The material used in this video was 100% payed by myself. I do really like the product and software and even more important the great support given by Jaron@Batrium!
Note2: There can be errors or fact issues in this video. Feel free to point them out if so and I will correct them.

- Comming material:
How can we incorporate Batrium BMS (Watchmon) with our cheap ass inverters to controll charging?
How have i tweaked it to work with my setup
Special scripts and hacks that make my day even better.

And more... Sugestions always welcome :=)
Batrium BMS is created by someone that thinks like I do. Their design is spot on when it comes to how I would have done it if i would go through with the BMS i started.

It consists of a master unit (The Watchmon). Then you add 1 *mon to each cell that you are going to monitor. For a 3s system that will be 3 mons.
In the video today im working with the Watchmon followed by 3 longmons. I also include a shunt for being able to meassure currents flowing in and out and more importantly the state of charge!

I do recomend to watch to the end!

- Links:
Batrium webpage: batrium.com
FAQ and instructions for the system: batrium.com/pages/faq


- Manuals touched today:
How to install the software: batrium.com/pages/how-to-install-the-watchmon-toolkit-software
How to install the Longmons: batrium.com/pages/how-to-connect-the-cellmon-modules-to-the-watchmon
How to install the shunt: batrium.com/pages/how-to-connect-the-shunt-spf102mod-to-the-watchmon

- Sugested readings after this is for instance
How to connect to Wifi: batrium.com/pages/how-to-connect-to-home-wifi-ap

There is alot to learn here and this first video is just one of many that will be done.

I really hope you enjoyed it and in return I ask you to help me!
If you will spread the word of my channel and my work i would appreciate it. Help me grow the channel and do even better content.



Note: The material used in this video was 100% payed by myself. I do really like the product and software and even more important the great support given by Jaron@Batrium!
Note2: There can be errors or fact issues in this video. Feel free to point them out if so and I will correct them.

- Comming material:
How can we incorporate Batrium BMS (Watchmon) with our cheap ass inverters to controll charging?
How have i tweaked it to work with my setup
Special scripts and hacks that make my day even better.

And more... Sugestions always welcome :=)



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Batrium BMS - Beginners installation guide

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