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Updating Firmware on Lithi2-16 batteries

I am using 2 RuiXu Lithi2-16 batteries with an EG4 18Kpv inverter.

My inverter support told me that I need to update the battery firmware to establish better connectivity with the batteries.

How do I find the correct firmware?

How do I update the firmware?

Thanks.

7 comments

Comments (7)

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1papatracy

Sep 05

Since I have updated all 5 of mine to V4 firmware, they will not work with Luxpower. Specifically the6000xp. Worked flawlessly on V3and V2. Hopefully can go back to V3.

Also, why once the batteries have been connected (comms to inverter) does one battery lock to the primary? Self addressing batteries I thought. Any way to “reset” these? What are the dip switches for on the bms?

We need some real info here here people! These are not as plug n play as they seem.

tbiv56

Mar 24

Yes, I had to power off the breaker of each battery when I installed the firmware. I would suggest doing the secondary battery first, but it doesn't matter as I did the primary first and all was well.

You do need to disconnect the comm cable in order to attach the usb-485 cable from the pc to the battery.

If I had had grid, I would have switched to grid while working on the batteries. It all went smooth with me, and I'm sure yours will too.

tbiv56

Mar 24

Yes, you have to switch the breakers off. I think I would do the secondary battery first. You have to unplug the comm cable in order to plug the comm from your PC to the battery.

I’m off grid, so I don’t have the grid only option. I would use that while flashing the firmware.

Rachel Wang

Feb 15

https://www.ruixubattery.com/forum/download/app-450300481-51v314ah-rx04

tbiv56

Feb 15

Replying to

Thank you. I will install it today. I will let you know the results.

tbiv56

Feb 15

Replying to

I was able to successfully update the batteries. I am running 2 batteries in parallel. I disconnected the communication cable,

I did one battery at a time using the RuiXUTools V1.03 application.

I turned the breakers on one battery off, connected the usb - rs485 cable in the out port of the battery. Scanned the battery and then loaded the firmware in the app and ran the update. It worked fine. Took about 60 seconds to do the update.

Unplugged the comm cable and turned the battery on.

Did the same process with the second battery.

After that, I just connected the comm cables, and everything was good to go.

Aubrey Zachariah

Mar 23

Replying to

Wow!!!.. I'm only now seeing that there is a firmware update for this.

@ tbiv56 .... I have 2 Batteries as well. Did you have to power off the battery breakers to do the firmware.... Do you recommend I update the secondary while running my loads on the primary, then turn on the secondary.. .and then power off the breaker for the primary and run the upgrade on that ... .and then turn them off???

Should I switch to grid and work on the battery upgrades without loads??

Also did you remove the coms cable from the inverter to the primary battery... or did you just use the second RJ45 port to start the firmware upgrade

I'm very excited to try this upgrade later tonight.

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Updating Firmware on Lithi2-16 batteries

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