How to EG4 Battery Firmware Update | Method That Actually Works

Описание: 📦 Buy your EG4 Battery Firmware Adapter here ➝ https://signaturesolar.com/eg4-batter...

Having trouble updating your EG4 battery firmware? In this video, we finally solve the firmware update failure using the RS485 dongle and a game-changing tip from viewer GB Sorenson. 🛠️

🔧 We walk step-by-step through:
A failed firmware attempt
The correct order for powering the dongle and BMS
Successfully updating both the Z02T04 firmware and Batcom
Why the official manual instructions may be wrong
Real-world tips from experience with multiple EG4 batteries
💬 This fix applies to the EG4 Lifepower4 batteries, using the RS485 port and update dongle. If your firmware update isn't working, this is the method you need to try.
🎯 Don’t forget to LIKE, SUBSCRIBE, and leave your questions in the comments!
🧠 Thank you GB Sorenson for your amazing tip that saved us all!
#EG4 #BatteryUpdate #RS485Dongle #SolarPower #FirmwareFix #DIY

Timestamp
0:00 - Intro & Recap of Previous Firmware Failure
0:15 - Two New Firmware Update Methods to Try
0:33 - First Attempt: Powering Dongle Before BMS
1:10 - RS485 Port Setup Explained
1:45 - No Communication from RS485 (LED Check)
2:20 - First Firmware Update Attempt Fails
2:35 - Second Attempt: GB Sorenson's Recommended Sequence
3:00 - Power Cycling and Retrying the Firmware Update
3:25 - SUCCESS: Firmware Update Confirmed!
3:44 - Verifying Firmware Version Z02 T04
4:03 - Manual vs. Real-World Instructions (and Why the Manual is Wrong)
4:38 - Uploading Second Firmware (Batcom) to Test Method Again
5:12 - Second Update Attempt Begins
5:40 - SUCCESS: Batcom Firmware Updated Too
6:16 - Confirming Both Firmwares Can Coexist
6:31 - Final Thoughts and Thanks to GB Sorenson
6:45 - Encouragement to Share Knowledge & Outro


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