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BMS Test with LifePower4 V2 stack

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Posts: 11
Topic starter
(@mikep)
Active Member
Joined: 3 weeks ago

Is this the same with the LifePower4 V2 batteries with a six position DIP switch?  The manual for these batteries has this:

Screenshot 20250521 093949

 Which appears to say the master/host battery should be id ID:1

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Posts: 11
Topic starter
(@mikep)
Active Member
Joined: 3 weeks ago

The manual for the LifePower4 V2 batteries has this:

Screenshot 20250521 093949

 which led me to believe that the host/master should be ID:1.  Should I change my batteries to the scheme in your photo?

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Posts: 11
Topic starter
(@mikep)
Active Member
Joined: 3 weeks ago

Sorry for the double post.  

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EG4 Eric
Posts: 352
(@eg4eric)
Reputable Member
Joined: 7 months ago

I see. I apologize for the confusion. I read BMS TEST so I assumed you were using the Lifepower4-V1.

You will need to set the Master battery to ID #64 which is all of the DIP switches up and the rest of the batteries can be left the same. I'm attaching a YouTube video to help with the process.

Unlocking Battery Potential: BMS Tools v1.0 for Seamless Communication with Multiple LL Batteries

You can find the BMS TOOLS in the link below. It is located in the Software tab. 

EG4® LL-S 48V 100AH Lithium Iron Phosphate Battery

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Posts: 11
Topic starter
(@mikep)
Active Member
Joined: 3 weeks ago

So with the V2, I use the BMS Tools, not the BMS Test, and my RJ45 should be plugged into Battery Comm.  I will give it a shot after changing battery IDs.  The video and the link are for the LL batteries, but I am assuming it is the same for the LifePower4 V2 batteries

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