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Good article Korishan, I have reserved my seat for the viewing of the eclipse in 2045 in heaven.

Cool, you had a real eclipse, what we had was not worth going outside for.

In the Bay Area of California I got a 100 watt loss in production for 50 minutes. I was not in a good spot for a total eclipse. Bummer!

I got a hit yesterday watching the Canbus data and the data coming off the RS232. Canbus ID_0x4203 bit 8 is the Coulomb percentage. Yesterday when my Coulomb percent was 100 this bit read 64. 64 Hex = 100 Decimal. Today my Coulomb is 94 this bit reads "5e" which is 94 decimal. The slow process...

Hey Paul, I like a good challenge and you certainly presented one. First I downloaded the manual to you POW-HPM5.6KW and I was disappointed to see no CANBus communications but it has two RS-485 ports. I looked at the Daly Smart BMS and it apears you can get all the communication for it, CANBus...

It is done John, it took awhile but with persistence, google and a few members on this board I got it. The fix was to get a CANBUS Transciever and send zeros to Canbus ID 0x4200. I had an old Rasberry Pi 3 so I bought a Can Hat which is a board that has the can controller chip mcp2515 on it and...

and vaboom! damn thing stays on. My $800 investment for a 7.5kWh server rack battery did not go in vain. Now it's time to hit ebay, people selling these 2.5 kWh Sonnen modules for $300 brand new in the box. My silly Python progam that works: import RPi.GPIO as GPIO import can import time...

Thanks, I will try that.

Thanks, I will try that.

Heeeeelp Mrconstabtin84, I have a quick question, I have 3 Sonnen server rack batteries 2.5 kWhr each. I am using them with a very un-smart inverter, a 48 volt inverter (no canbus). The batteries have a Pylontech BMS. I can get information from them through the RS232 port but I can't control...

The terminal circled is your “dry contact” it opens (off) and closes (on) when you press the “ok” button on your MT50 display.

😁. A few days into March and you on him. I’ll wait till you done…. I‘m next!

I have savaged these laptop pouch cells which I am treating like 18650 cells. 7s for 24 volts, and 14s for 48 volts. I don‘t do 12 volts any more but I may have start back. Too many form factors in the pouch cell world and looks like I got every one of them. But not enough of one kind of them...

1.If you careful no problem, but we are human. I would make that 48 volts to the buck converter a separate 2 terminal connector. 2. Transformer down. 3.MISO (master in slave out)&clock. Or just general purpose I/0 depending on how you programming it. 4. Good question, I have this chip but I have...

Sven77PV, you are the man! Just joined GitHub yesterday. Downloaded the low voltage Pylontech protocol you posted. Inverter sending 8 bytes of zero to 0x305 I think that is what I need to keep my batteries awake. They come on with the power push botton but go to sleep after 10 minutes. My...

I‘m a rookie on Can Bus but I‘m coming alone slow a steady. (See pics). Is there a standard for what each can Id means? I‘m reading in 004 and 4201-4207 right when I turn the Sonnen battery on. I see the data too. What it means I have no clue. Wondering if anyone created a spreadsheet. If not I...

Hello Zee123king, I’m doing the same as you on a Sonnen server rack battery. I have not got data yet but when I do I will know what it mean. your CAN based lithium battery has a BMS made by someone, JK, Pylontech somebody. The BMS maker has a CAN protocol for all the numbers. I just joined a...

This an old post but it is going to help me with the 3 Sonnen brand server rack batteries I bought. They stay on 10 minutes then shut off the BMS is made by Pylontech. Well here I go to the world of CAN bus.

Well John I was able to get the BatteryView 3.0 software that talks to the Pylontech BMS today. The Battery was in “Protection Mode”. The software allowed me to clear that. I’m downloading history all the way back to 2021, I see the battery was allowed to drop to 45.5 volts. Cells got as low as...

I measured the first pack then measured two together the plug is under the BMS I seen it with a cell phone photo, not ready to start removing boards yet. The unit powers up for ten minutes to the exact second. I charged the cells a little today. I‘m embarrassed to say i wired in a controller to...