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February 18, 2026 5:09 pm
If you have the Indoor Wall Mount batteries read the post from "Krzysiek_KTA" above. The solution he found to the brown outs that we were experiencing were solved when we got the Firmware for the batteries updated. He was able to do the update, I don't have the skill set required so my installers got the equipment (cables and a electronic box) and updated the Firmware. Works as described above. (You must shutdown and restart the system several times.)
Natwall1 reacted
February 19, 2026 1:20 am
Certainly, thank you so much! I don't think I have a Ticket #, have simply been emailing back and forth with their tech support? or maybe I'm missing something. But my Serial # 51200E0399 . I have 6 of those EG4 batteries in a rack, not wall mount, and only have the Flexboss 21, not Gridboss (just trying to make sure I had explained my system accurately). Again, THANK YOU. I am hoping you can help me figure this out.
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