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Firmware for 8KEXP-240 (aka 12KEXP-240)

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Posts: 2
Topic starter
(@eivindhagen)
New Member
Joined: 3 weeks ago

Hi, hoping to get some basic starter help for this inverter.

I purchased this EG4 "8K" inverter secondhand. The manual (EG4-8KEXP-240-Manual.pdf) matches the inverter perfectly, yet the sticker on the side of the inverter uses the model name 12KEXP-240, so I'm a little confused about that.

I suspect I need to update the firmware on this thing. It came with a "Solarman" wifi dongle that I was able to connect to my Wifi network, but I have not been able to register it with the Solarman app or website yet. It seems the previous owner may still have the dongle registered to them so I might need to get a new dongle. Should I get the same "Solarman" dongle, or is there a more proper EG4 dongle for this inverter that will make my life easier? And where can I get the latest firmware for this inverter? When I look at the firmware download section of this site I don't see the 8KEXP-240 nor do I see the 12KEXP-240 model. Is this model so old that I can't even get the most recently firmware for it? And do I need a specific type of dongle to make it do the firmware update?

Thanks for any assistance you may have to offer!

Screenshot 2025 10 13 at 5.56.03 PM

 

Screenshot 2025 10 13 at 5.53.16 PM

 


2 Replies
EG4 Eric
Posts: 681
(@eg4eric)
Honorable Member
Joined: 1 year ago

Good afternoon, 
You're right, the sticker is a little confusing. The inverter allows 8kW output, but it can take in 12kW of solar. This unit is considered a legacy product. Any firmware we have is on our website, but we don't have anything up to date since these units are older. 


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Posts: 2
Topic starter
(@eivindhagen)
New Member
Joined: 3 weeks ago

Thanks. I found the resources on https://eg4electronics.com/documentation/ by selecting "EG4® 8KEXP-240 ALL-IN-ONE HYBRID INVERTER - LEGACY PRODUCT" in the first drop-down selection list.


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