Recent content by Brownie Solar

The app will say hardware version V11.XW, the actual HW version is written on the print.

I work for a company who designs and manufactures prints for charching stations for Electrical Vehicles, RTU's and modems. I have literally seen, tested, inspected 10.000s of prints, and I have to say who ever manufactured this one did a very, very nice job! So may you can open them up and...

They say it is a custom chip, I've inspected it under a microscope and there is nothing written on it... I hope the replacement chip is an updated version!

My system produced and used 110 Kwh for the 3 months I'm using it so far. Max drawn that I've seen is 30-35 amps. But I have a fridge connected to is and can draw over 100 A for some milliseconds when it is powering on... Andy from Off-Grid Garage on YouTube had it running with 240A for several...

Through Aliexpress. There are 2 components that have to be replaced, and they will ship it to me today. But these are pictures from a 24s BMS, I have a 4s-8s and only 1 chip has to be replaced. I'll keep you posted when I received and changed the components.

I'm getting some answers from Hankzor! Keep you posted!

Exactly the same issue, beeping and a hissing noise coming from the speaker, not from the MOSFETs or capacitors... This thing is dead, and I have still no answer from Hankzor on Aliexpress...

Hi all, I'm using a JK BMS (B2A8S20P) for 3 months now, it was working great until a month ago, it is giving me this CPU AUX anomaly errors. After a reboot it was gone and works then for a few day and gives back that error. But now I can't boot the BMS anymore, it is stuck in a bootloop, anyone...